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Erot

Tämä näyttää erot valitun ja nykyisen version kesken tästä sivusta.

Linkki vertailunäkymään

Both sides previous revisionEdellinen revisio
Seuraava revisio		Edellinen revisio
playground:playground [08/10/2019 23:04] – harriplayground:playground [07/11/2022 21:28] (nykyinen) – harri
Rivi 1: Rivi 1:
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button.key sup{top:-.4em}div#calc button.key sub{top:.4em}input::-ms-clear{display:none}div.tex-loading{display:inline-block;background-color:#ededed;margin:.14em;font-size:.9em;padding:0 .3em}.mq-math-mode{font-size:1em} 
 +</style> 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 +    <script type="text/javascript"> 
 +    window.mathParser=(function(){"use strict";function peg$subclass(child,parent){function ctor(){this.constructor=child;} 
 +ctor.prototype=parent.prototype;child.prototype=new ctor();} 
 +function peg$SyntaxError(message,expected,found,location){this.message=message;this.expected=expected;this.found=found;this.location=location;this.name="SyntaxError";if(typeof Error.captureStackTrace==="function"){Error.captureStackTrace(this,peg$SyntaxError);}} 
 +peg$subclass(peg$SyntaxError,Error);peg$SyntaxError.buildMessage=function(expected,found){var DESCRIBE_EXPECTATION_FNS={literal:function(expectation){return"\""+literalEscape(expectation.text)+"\"";},"class":function(expectation){var escapedParts="",i;for(i=0;i<expectation.parts.length;i++){escapedParts+=expectation.parts[i]instanceof Array?classEscape(expectation.parts[i][0])+"-"+classEscape(expectation.parts[i][1]):classEscape(expectation.parts[i]);} 
 +return"["+(expectation.inverted?"^":"")+escapedParts+"]";},any:function(expectation){return"any character";},end:function(expectation){return"end of input";},other:function(expectation){return expectation.description;}};function hex(ch){return ch.charCodeAt(0).toString(16).toUpperCase();} 
 +function literalEscape(s){return s.replace(/\\/g,'\\\\').replace(/"/g,'\\"').replace(/\0/g,'\\0').replace(/\t/g,'\\t').replace(/\n/g,'\\n').replace(/\r/g,'\\r').replace(/[\x00-\x0F]/g,function(ch){return'\\x0'+hex(ch);}).replace(/[\x10-\x1F\x7F-\x9F]/g,function(ch){return'\\x'+hex(ch);});} 
 +function classEscape(s){return s.replace(/\\/g,'\\\\').replace(/\]/g,'\\]').replace(/\^/g,'\\^').replace(/-/g,'\\-').replace(/\0/g,'\\0').replace(/\t/g,'\\t').replace(/\n/g,'\\n').replace(/\r/g,'\\r').replace(/[\x00-\x0F]/g,function(ch){return'\\x0'+hex(ch);}).replace(/[\x10-\x1F\x7F-\x9F]/g,function(ch){return'\\x'+hex(ch);});} 
 +function describeExpectation(expectation){return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);} 
 +function describeExpected(expected){var descriptions=new Array(expected.length),i,j;for(i=0;i<expected.length;i++){descriptions[i]=describeExpectation(expected[i]);} 
 +descriptions.sort();if(descriptions.length>0){for(i=1,j=1;i<descriptions.length;i++){if(descriptions[i-1]!==descriptions[i]){descriptions[j]=descriptions[i];j++;}} 
 +descriptions.length=j;} 
 +switch(descriptions.length){case 1:return descriptions[0];case 2:return descriptions[0]+" or "+descriptions[1];default:return descriptions.slice(0,-1).join(", ") 
 ++", or " 
 ++descriptions[descriptions.length-1];}} 
 +function describeFound(found){return found?"\""+literalEscape(found)+"\"":"end of input";} 
 +return"Expected "+describeExpected(expected)+" but "+describeFound(found)+" found.";};function toCustomPrecision(number){var PRECISION_DECIMALS_SMALL=8;var PRECISION_DECIMALS_BIG=14;var PRECISION_THRESHOLD=0.01;var precision;if(Math.abs(number)<PRECISION_THRESHOLD){precision=PRECISION_DECIMALS_SMALL;}else{precision=PRECISION_DECIMALS_BIG;} 
 +return parseFloat(number.toPrecision(precision));} 
 +function peg$parse(input,options){options=options!==void 0?options:{};var peg$FAILED={},peg$startRuleFunctions={start:peg$parsestart},peg$startRuleFunction=peg$parsestart,peg$c0=/^[+\-]/,peg$c1=peg$classExpectation(["+","-"],false,false),peg$c2=function(left,right){var ret=left;var i;if(isNaN(ret)||!isFinite(ret)) 
 +return ret 
 +for(i=0;i<right.length;++i){var num=right[i][1];if(isNaN(num)||!isFinite(num)) 
 +return num 
 +if(right[i][0]=="+"){ret=ret+num;}else if(right[i][0]=="-"){ret=ret-num;} 
 +if(i<right.length-1){ret=toCustomPrecision(ret);}} 
 +return parseFloat(ret);},peg$c3=/^[\xD7\xF7*\/]/,peg$c4=peg$classExpectation(["\xD7","\xF7","*","/"],false,false),peg$c5=function(left,right){var ret=left;var i;if(isNaN(ret)||!isFinite(ret)) 
 +return ret 
 +for(i=0;i<right.length;++i){var num=right[i][1];if(isNaN(num)||!isFinite(num)) 
 +return num 
 +if(right[i][0]=="×"||right[i][0]=="*"){ret=ret*num;}else if(right[i][0]=="÷"||right[i][0]=="/"){ret=ret / num;}else{ret=ret*right[i][0];} 
 +if(i<right.length-1){ret=toCustomPrecision(ret);}} 
 +return parseFloat(ret);},peg$c6=/^[\-]/,peg$c7=peg$classExpectation(["-"],false,false),peg$c8=function(sign,expression){var ret=expression;if(sign){ret=-ret;} 
 +return ret;},peg$c9="log(",peg$c10=peg$literalExpectation("log(",false),peg$c11=")",peg$c12=peg$literalExpectation(")",false),peg$c13=function(operand){return Math.log(operand)/ Math.LN10;},peg$c14="ln(",peg$c15=peg$literalExpectation("ln(",false),peg$c16=function(operand){return Math.log(operand);},peg$c17="\u221A",peg$c18=peg$literalExpectation("\u221A",false),peg$c19=function(radicand){return Math.sqrt(radicand);},peg$c20="^",peg$c21=peg$literalExpectation("^",false),peg$c22=function(operand,exponent){return Math.pow(operand,exponent);},peg$c23="sin(",peg$c24=peg$literalExpectation("sin(",false),peg$c25=function(operand){return Math.sin(operand*(Math.PI / 180));},peg$c26="cos(",peg$c27=peg$literalExpectation("cos(",false),peg$c28=function(operand){return operand==90?0:Math.cos(operand*(Math.PI / 180));},peg$c29="tan(",peg$c30=peg$literalExpectation("tan(",false),peg$c31=function(operand){return operand==90?Number.NaN:Math.tan(operand*(Math.PI / 180));},peg$c32="asin(",peg$c33=peg$literalExpectation("asin(",false),peg$c34=function(operand){return Math.asin(operand)/(Math.PI / 180);},peg$c35="acos(",peg$c36=peg$literalExpectation("acos(",false),peg$c37=function(operand){return Math.acos(operand)/(Math.PI / 180);},peg$c38="atan(",peg$c39=peg$literalExpectation("atan(",false),peg$c40=function(operand){return Math.atan(operand)/(Math.PI / 180);},peg$c41="!",peg$c42=peg$literalExpectation("!",false),peg$c43=function(operand){var ret=Number.NaN;if(parseInt(operand)===operand&&operand>=0){ret=1;for(var i=2;i<=operand;i++){ret*=i}} 
 +return ret;},peg$c44="(",peg$c45=peg$literalExpectation("(",false),peg$c46=function(additive){return additive;},peg$c47="\u03C0",peg$c48=peg$literalExpectation("\u03C0",false),peg$c49=function(operand){return operand*Math.PI;},peg$c50=function(){return Math.PI;},peg$c51="e",peg$c52=peg$literalExpectation("e",false),peg$c53=function(operand){return operand*Math.E;},peg$c54=function(){return Math.E;},peg$c55=/^[0-9]/,peg$c56=peg$classExpectation([["0","9"]],false,false),peg$c57=/^[.]/,peg$c58=peg$classExpectation(["."],false,false),peg$c59=function(wholepart,fractionalpart){var ret;if(fractionalpart){ret=parseFloat(wholepart.join("")+"."+fractionalpart[1].join(""));}else{ret=parseInt(wholepart.join(""));} 
 +return ret;},peg$c60=function(fractionalpart){return parseFloat("0."+fractionalpart[1].join(""));},peg$currPos=0,peg$savedPos=0,peg$posDetailsCache=[{line:1,column:1}],peg$maxFailPos=0,peg$maxFailExpected=[],peg$silentFails=0,peg$result;if("startRule"in options){if(!(options.startRule in peg$startRuleFunctions)){throw new Error("Can't start parsing from rule \""+options.startRule+"\".");} 
 +peg$startRuleFunction=peg$startRuleFunctions[options.startRule];} 
 +function text(){return input.substring(peg$savedPos,peg$currPos);} 
 +function location(){return peg$computeLocation(peg$savedPos,peg$currPos);} 
 +function expected(description,location){location=location!==void 0?location:peg$computeLocation(peg$savedPos,peg$currPos) 
 +throw peg$buildStructuredError([peg$otherExpectation(description)],input.substring(peg$savedPos,peg$currPos),location);} 
 +function error(message,location){location=location!==void 0?location:peg$computeLocation(peg$savedPos,peg$currPos) 
 +throw peg$buildSimpleError(message,location);} 
 +function peg$literalExpectation(text,ignoreCase){return{type:"literal",text:text,ignoreCase:ignoreCase};} 
 +function peg$classExpectation(parts,inverted,ignoreCase){return{type:"class",parts:parts,inverted:inverted,ignoreCase:ignoreCase};} 
 +function peg$anyExpectation(){return{type:"any"};} 
 +function peg$endExpectation(){return{type:"end"};} 
 +function peg$otherExpectation(description){return{type:"other",description:description};} 
 +function peg$computePosDetails(pos){var details=peg$posDetailsCache[pos],p;if(details){return details;}else{p=pos-1;while(!peg$posDetailsCache[p]){p--;} 
 +details=peg$posDetailsCache[p];details={line:details.line,column:details.column};while(p<pos){if(input.charCodeAt(p)===10){details.line++;details.column=1;}else{details.column++;} 
 +p++;} 
 +peg$posDetailsCache[pos]=details;return details;}} 
 +function peg$computeLocation(startPos,endPos){var startPosDetails=peg$computePosDetails(startPos),endPosDetails=peg$computePosDetails(endPos);return{start:{offset:startPos,line:startPosDetails.line,column:startPosDetails.column},end:{offset:endPos,line:endPosDetails.line,column:endPosDetails.column}};} 
 +function peg$fail(expected){if(peg$currPos<peg$maxFailPos){return;} 
 +if(peg$currPos>peg$maxFailPos){peg$maxFailPos=peg$currPos;peg$maxFailExpected=[];} 
 +peg$maxFailExpected.push(expected);} 
 +function peg$buildSimpleError(message,location){return new peg$SyntaxError(message,null,null,location);} 
 +function peg$buildStructuredError(expected,found,location){return new peg$SyntaxError(peg$SyntaxError.buildMessage(expected,found),expected,found,location);} 
 +function peg$parsestart(){var s0;s0=peg$parseadditive();return s0;} 
 +function peg$parseadditive(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parsemultiplicative();if(s1!==peg$FAILED){s2=[];s3=peg$currPos;if(peg$c0.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++;}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c1);}} 
 +if(s4!==peg$FAILED){s5=peg$parsemultiplicative();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4;}else{peg$currPos=s3;s3=peg$FAILED;}}else{peg$currPos=s3;s3=peg$FAILED;} 
 +while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;if(peg$c0.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++;}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c1);}} 
 +if(s4!==peg$FAILED){s5=peg$parsemultiplicative();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4;}else{peg$currPos=s3;s3=peg$FAILED;}}else{peg$currPos=s3;s3=peg$FAILED;}} 
 +if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c2(s1,s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsemultiplicative(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parsesignedexpression();if(s1!==peg$FAILED){s2=[];s3=peg$currPos;if(peg$c3.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++;}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c4);}} 
 +if(s4!==peg$FAILED){s5=peg$parsesignedexpression();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4;}else{peg$currPos=s3;s3=peg$FAILED;}}else{peg$currPos=s3;s3=peg$FAILED;} 
 +if(s3===peg$FAILED){s3=peg$parsetrigonometric();if(s3===peg$FAILED){s3=peg$parsenumberlog();if(s3===peg$FAILED){s3=peg$parsesquareroot();}}} 
 +while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;if(peg$c3.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++;}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c4);}} 
 +if(s4!==peg$FAILED){s5=peg$parsesignedexpression();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4;}else{peg$currPos=s3;s3=peg$FAILED;}}else{peg$currPos=s3;s3=peg$FAILED;} 
 +if(s3===peg$FAILED){s3=peg$parsetrigonometric();if(s3===peg$FAILED){s3=peg$parsenumberlog();if(s3===peg$FAILED){s3=peg$parsesquareroot();}}}} 
 +if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c5(s1,s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsesignedexpression(){var s0,s1,s2;s0=peg$currPos;if(peg$c6.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c7);}} 
 +if(s1===peg$FAILED){s1=null;} 
 +if(s1!==peg$FAILED){s2=peg$parseexpression();if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c8(s1,s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parseexpression(){var s0;s0=peg$parsenumberlog();if(s0===peg$FAILED){s0=peg$parsepowerandroot();if(s0===peg$FAILED){s0=peg$parsetrigonometric();if(s0===peg$FAILED){s0=peg$parsefactorial();if(s0===peg$FAILED){s0=peg$parsenumberpi();if(s0===peg$FAILED){s0=peg$parsenumbere();if(s0===peg$FAILED){s0=peg$parseprimary();}}}}}} 
 +return s0;} 
 +function peg$parsenumberlog(){var s0;s0=peg$parselog10();if(s0===peg$FAILED){s0=peg$parseln();} 
 +return s0;} 
 +function peg$parselog10(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,4)===peg$c9){s1=peg$c9;peg$currPos+=4;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c10);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c13(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parseln(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,3)===peg$c14){s1=peg$c14;peg$currPos+=3;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c15);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c16(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsepowerandroot(){var s0;s0=peg$parsesquareroot();if(s0===peg$FAILED){s0=peg$parsenthpower();} 
 +return s0;} 
 +function peg$parsepowerable(){var s0;s0=peg$parsenumberlog();if(s0===peg$FAILED){s0=peg$parsesquareroot();if(s0===peg$FAILED){s0=peg$parsetrigonometric();if(s0===peg$FAILED){s0=peg$parsefactorial();if(s0===peg$FAILED){s0=peg$parsenumberpi();if(s0===peg$FAILED){s0=peg$parsenumbere();if(s0===peg$FAILED){s0=peg$parseprimary();}}}}}} 
 +return s0;} 
 +function peg$parsesquareroot(){var s0,s1,s2;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===8730){s1=peg$c17;peg$currPos++;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c18);}} 
 +if(s1!==peg$FAILED){s2=peg$parsesignedexpression();if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c19(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsenthpower(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parsepowerable();if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===94){s2=peg$c20;peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c21);}} 
 +if(s2!==peg$FAILED){s3=peg$parsesignedexpression();if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c22(s1,s3);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsetrigonometric(){var s0;s0=peg$parsesin();if(s0===peg$FAILED){s0=peg$parsecos();if(s0===peg$FAILED){s0=peg$parsetan();if(s0===peg$FAILED){s0=peg$parsearcsin();if(s0===peg$FAILED){s0=peg$parsearccos();if(s0===peg$FAILED){s0=peg$parsearctan();}}}}} 
 +return s0;} 
 +function peg$parsesin(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,4)===peg$c23){s1=peg$c23;peg$currPos+=4;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c24);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c25(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsecos(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,4)===peg$c26){s1=peg$c26;peg$currPos+=4;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c27);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c28(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsetan(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,4)===peg$c29){s1=peg$c29;peg$currPos+=4;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c30);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c31(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsearcsin(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,5)===peg$c32){s1=peg$c32;peg$currPos+=5;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c33);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c34(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsearccos(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,5)===peg$c35){s1=peg$c35;peg$currPos+=5;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c36);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c37(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsearctan(){var s0,s1,s2,s3;s0=peg$currPos;if(input.substr(peg$currPos,5)===peg$c38){s1=peg$c38;peg$currPos+=5;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c39);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c40(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsefactorial(){var s0,s1,s2;s0=peg$currPos;s1=peg$parseprimary();if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===33){s2=peg$c41;peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c42);}} 
 +if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c43(s1);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parseprimary(){var s0,s1,s2,s3;s0=peg$parsepi();if(s0===peg$FAILED){s0=peg$parsee();if(s0===peg$FAILED){s0=peg$parsenumber();if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===40){s1=peg$c44;peg$currPos++;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c45);}} 
 +if(s1!==peg$FAILED){s2=peg$parseadditive();if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===41){s3=peg$c11;peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c12);}} 
 +if(s3!==peg$FAILED){peg$savedPos=s0;s1=peg$c46(s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;}}}} 
 +return s0;} 
 +function peg$parsenumberpi(){var s0,s1,s2;s0=peg$currPos;s1=peg$parseprimary();if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===960){s2=peg$c47;peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c48);}} 
 +if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c49(s1);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsepi(){var s0,s1;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===960){s1=peg$c47;peg$currPos++;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c48);}} 
 +if(s1!==peg$FAILED){peg$savedPos=s0;s1=peg$c50();} 
 +s0=s1;return s0;} 
 +function peg$parsenumbere(){var s0,s1,s2;s0=peg$currPos;s1=peg$parseprimary();if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===101){s2=peg$c51;peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c52);}} 
 +if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c53(s1);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +return s0;} 
 +function peg$parsee(){var s0,s1;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===101){s1=peg$c51;peg$currPos++;}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c52);}} 
 +if(s1!==peg$FAILED){peg$savedPos=s0;s1=peg$c54();} 
 +s0=s1;return s0;} 
 +function peg$parsenumber(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=[];if(peg$c55.test(input.charAt(peg$currPos))){s2=input.charAt(peg$currPos);peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56);}} 
 +if(s2!==peg$FAILED){while(s2!==peg$FAILED){s1.push(s2);if(peg$c55.test(input.charAt(peg$currPos))){s2=input.charAt(peg$currPos);peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56);}}}}else{s1=peg$FAILED;} 
 +if(s1!==peg$FAILED){s2=peg$currPos;if(peg$c57.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++;}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c58);}} 
 +if(s3!==peg$FAILED){s4=[];if(peg$c55.test(input.charAt(peg$currPos))){s5=input.charAt(peg$currPos);peg$currPos++;}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56);}} 
 +if(s5!==peg$FAILED){while(s5!==peg$FAILED){s4.push(s5);if(peg$c55.test(input.charAt(peg$currPos))){s5=input.charAt(peg$currPos);peg$currPos++;}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56);}}}}else{s4=peg$FAILED;} 
 +if(s4!==peg$FAILED){s3=[s3,s4];s2=s3;}else{peg$currPos=s2;s2=peg$FAILED;}}else{peg$currPos=s2;s2=peg$FAILED;} 
 +if(s2===peg$FAILED){s2=null;} 
 +if(s2!==peg$FAILED){peg$savedPos=s0;s1=peg$c59(s1,s2);s0=s1;}else{peg$currPos=s0;s0=peg$FAILED;}}else{peg$currPos=s0;s0=peg$FAILED;} 
 +if(s0===peg$FAILED){s0=peg$currPos;s1=peg$currPos;if(peg$c57.test(input.charAt(peg$currPos))){s2=input.charAt(peg$currPos);peg$currPos++;}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c58);}} 
 +if(s2!==peg$FAILED){s3=[];if(peg$c55.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++;}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56);}} 
 +if(s4!==peg$FAILED){while(s4!==peg$FAILED){s3.push(s4);if(peg$c55.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++;}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56);}}}}else{s3=peg$FAILED;} 
 +if(s3!==peg$FAILED){s2=[s2,s3];s1=s2;}else{peg$currPos=s1;s1=peg$FAILED;}}else{peg$currPos=s1;s1=peg$FAILED;} 
 +if(s1!==peg$FAILED){peg$savedPos=s0;s1=peg$c60(s1);} 
 +s0=s1;} 
 +return s0;} 
 +peg$result=peg$startRuleFunction();if(peg$result!==peg$FAILED&&peg$currPos===input.length){return peg$result;}else{if(peg$result!==peg$FAILED&&peg$currPos<input.length){peg$fail(peg$endExpectation());} 
 +throw peg$buildStructuredError(peg$maxFailExpected,peg$maxFailPos<input.length?input.charAt(peg$maxFailPos):null,peg$maxFailPos<input.length?peg$computeLocation(peg$maxFailPos,peg$maxFailPos+1):peg$computeLocation(peg$maxFailPos,peg$maxFailPos));}} 
 +return{SyntaxError:peg$SyntaxError,parse:peg$parse};})(); 
 +    </script> 
 +     
 +     
 +     
 +     
 +     
 +     
 +     
 +     
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 +     
 +     
 +     
 +     
 +    <script type="text/javascript"> 
 +    if(!Element.prototype.matches){Element.prototype.matches=Element.prototype.msMatchesSelector||Element.prototype.webkitMatchesSelector;} 
 +if(!Element.prototype.closest){Element.prototype.closest=function(s){'use strict';var el=this;do{if(el.matches(s)){return el;} 
 +el=el.parentElement||el.parentNode;}while(el!==null&&el.nodeType===1);return null;};} 
 +if(window.NodeList&&!NodeList.prototype.forEach){NodeList.prototype.forEach=function(callback,thisArg){'use strict';thisArg=thisArg||window;for(var i=0;i<this.length;i++){callback.call(thisArg,this[i],i,this);}};} 
 +Number.isInteger=Number.isInteger||function(value){'use strict';return typeof value==='number'&&isFinite(value)&&Math.floor(value)===value;};if(!String.prototype.repeat){String.prototype.repeat=function(count){'use strict';if(this===null){throw new TypeError('can\'t convert '+this+' to object');} 
 +var str=''+this;count=+count;if(count!==count){count=0;} 
 +if(count<0){throw new RangeError('repeat count must be non-negative');} 
 +if(count===Infinity){throw new RangeError('repeat count must be less than infinity');} 
 +count=Math.floor(count);if(str.length===0||count===0){return'';} 
 +if(str.length*count>=Math.pow(2,28)){throw new RangeError('repeat count must not overflow maximum string size');} 
 +var maxCount=str.length*count;count=Math.floor(Math.log(count)/ Math.log(2));while(count){str+=str;count--;} 
 +str+=str.substring(0,maxCount-str.length);return str;};} 
 +if(typeof window.CustomEvent!=='function'){window.CustomEvent=function(eventName,params){'use strict';var bubbles=params.bubbles||false;var cancelable=params.cancelable||false;var detail=params.detail||null;var event=document.createEvent('CustomEvent');event.initCustomEvent(eventName,bubbles,cancelable,detail);return event;};window.CustomEvent.prototype=window.Event.prototype;} 
 +if(!Array.prototype.includes){Array.prototype.includes=function(valueToFind){'use strict';return this.indexOf(valueToFind)!==-1;};} 
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 +return value==='true';};this.getInt=function(name){var value=metaMap[name];if(typeof value==='undefined'){return value;} 
 +return parseInt(value,10);};this.getArray=function(name){var value=metaMap[name];if(Array.isArray(value)){return value;}else if(typeof value!=='undefined'){return[value];}else{return[];}};} 
 +var metaMap=new MetaMap();var appPath=metaMap.getString('app-path');var pageId=metaMap.getString('page-id');var isExaminationPage=metaMap.getBool('examination')===true;var isExaminationForm=metaMap.getBool('examination-form')===true;var timerCheckpoint=metaMap.getInt('timer-checkpoint');var timerCountdown=metaMap.getInt('timer-countdown');var timerTitle=metaMap.getString('timer-title');var basetimeStamp=metaMap.getInt('base-timestamp');var tzOffset=metaMap.getInt('tz-offset');function currentTimestampMs(){return basetimeStamp+window.performance.now();} 
 +function getClientTzOffset(){var clientTzOffset=new Date().getTimezoneOffset()*60*1000;return clientTzOffset-tzOffset;} 
 +function timestampToTzCorrectedDate(timestamp){var date=new Date();var tzDiff=getClientTzOffset();date.setTime(timestamp+tzDiff);return date;} 
 +function debounce(fn,delay){var debounceId=0;return function(){var context=this;var args=arguments;clearTimeout(debounceId);debounceId=setTimeout(function(){fn.apply(context,args);},delay);};} 
 +function keyedDebounce(fn,delay){var map=new Map();return function(key){if(map.has(key)){return map.get(key);}else{var debouncedFn=debounce(fn,delay);map.set(key,debouncedFn);return debouncedFn;}};} 
 +function DialogHandler(){this.previouslyActiveElement=null;this.mainContentWrapper=document.getElementById('main-content-wrapper');this.hiddenMessageContainer=document.getElementById('hidden-message-container');this.activeMessageContainer=document.getElementById('active-message-container');this.openDialog=function(dialogName){var dialog=document.getElementById(dialogName);if(dialog.parentNode===this.activeMessageContainer){return;} 
 +dialog.querySelectorAll('form.ajax-submit.processing-error').forEach(function(form){form.classList.remove('processing-error');});dialog.querySelectorAll('form.ajax-submit fieldset.question-item.invalid').forEach(function(form){form.classList.remove('invalid');});if(!dialog.getAttribute('aria-label')){var dialogLabel=dialog.querySelector('.dialog-label');if(dialogLabel){dialog.setAttribute('aria-label',dialogLabel.textContent);}} 
 +var priority=dialog.dataset.messagePriority;var topmostMessage=this.activeMessageContainer.querySelector('div.message-container:last-of-type');if(!topmostMessage){this.previouslyActiveElement=document.activeElement;} 
 +if(priority==='logout'){this.activeMessageContainer.appendChild(dialog);}else if(priority==='urgent'){var loginDialog=this.activeMessageContainer.querySelector('div.message-container[data-message-priority="logout"]');this.activeMessageContainer.insertBefore(dialog,loginDialog);}else if(priority==='background'){var topmostBackgroundMessage=this.activeMessageContainer.querySelector('div.message-container[data-message-priority="background"]:last-of-type');if(topmostBackgroundMessage){if(topmostMessage.dataset.messagePriority==='background'){this.activeMessageContainer.insertBefore(dialog,topmostMessage);}else{this.activeMessageContainer.insertBefore(dialog,topmostBackgroundMessage.nextSibling);}}else{this.activeMessageContainer.insertBefore(dialog,this.activeMessageContainer.firstChild);}}else{var bottommostUrgentMessage=this.activeMessageContainer.querySelector('div.message-container[data-message-priority="urgent"]');this.activeMessageContainer.insertBefore(dialog,bottommostUrgentMessage);} 
 +this.mainContentWrapper.style.visibility='hidden';this.mainContentWrapper.setAttribute('aria-hidden','true');var newTopmostMessage=this.activeMessageContainer.querySelector('div.message-container:last-of-type');if(dialog===newTopmostMessage){var firstFocusable=dialog.querySelector('input, select, button, [tabindex]');if(firstFocusable){firstFocusable.focus();}else{dialog.focus();}}};this.closeDialog=function(dialogName){this.hiddenMessageContainer.appendChild(document.getElementById(dialogName));if(!this.activeMessageContainer.querySelector('div.message-container')){this.mainContentWrapper.style.visibility='visible';this.mainContentWrapper.setAttribute('aria-hidden','false');if(this.previouslyActiveElement){this.previouslyActiveElement.focus();this.previouslyActiveElement=null;}}};this.isOpen=function(dialogName){var dialog=document.getElementById(dialogName);return dialog.parentNode===this.activeMessageContainer;};} 
 +var dialogHandler=new DialogHandler();window.openDialog=function(id){dialogHandler.openDialog(id);};window.closeDialog=function(id){dialogHandler.closeDialog(id);};var REQUEST_KEY_HEADER='Request-Key';var PING_JITTER=1000;var PING_TIMEOUT=20*1000;var PING_DEFAULT_WAIT=10*1000;var PING_NETWORK_ERROR_WAIT=20*1000;var PING_TIMEOUT_WAIT=20*1000;var PING_ABORT_WAIT=10*1000;var PING_FAST_ENOUGH=250;var NETWORK_ERROR_MESSAGE_DELAY=30*1000*2;var NETWORK_ERROR_INTERRUPTION_MESSAGE_DELAY=60*1000*1000;var CHECK_FOCUS_INTERVAL=600;var ANSWER_DELAY=300;var ANSWER_TIMEOUT=PING_TIMEOUT;var ANSWER_RETRY_WAIT=PING_DEFAULT_WAIT;var TEXT_AUTOSAVE_FREQUENCY=30*1000;var TEXT_MODIFICATION_CHECK_DELAY=250;var INLINE_TEXT_AUTOSAVE_DELAY=2*1000;var INLINE_SELECT_AUTOSAVE_DELAY=800;var REQUEST_TIMEOUT=PING_TIMEOUT;var NOTIFICATION_DURATION=10*1000;var FORMULA_SVG_SCALE_FACTOR=1.25;function doRequest(method,path,data,successCallback,errorCallback,csrfToken){var request=new XMLHttpRequest();request.open(method,appPath+path,true);request.timeout=REQUEST_TIMEOUT;request.onload=function(){if(this.status>=200&&this.status<400){successCallback.call(this);}else{errorCallback.call(this,'load');}};request.onerror=function(){errorCallback.call(this,'error');};request.onabort=function(){errorCallback.call(this,'abort');};request.ontimeout=function(){errorCallback.call(this,'timeout');};if(csrfToken){request.setRequestHeader(REQUEST_KEY_HEADER,csrfToken);} 
 +request.send(data);} 
 +function onEvent(eventNames,handlerSelector,targetFilter,handler){if(!Array.isArray(eventNames)){eventNames=[eventNames];} 
 +document.querySelectorAll(handlerSelector).forEach(function(handlerElement){eventNames.forEach(function(eventName){handlerElement.addEventListener(eventName,function(e){if(targetFilter===null){return handler.call(handlerElement,e);}else{var element=e.target;while(element){if(element.matches(targetFilter)){return handler.call(element,e);} 
 +if(element===handlerElement){return;} 
 +element=element.parentElement;}}},true);});});} 
 +function documentReady(fn){if(document.attachEvent?document.readyState==='complete':document.readyState!=='loading'){fn();}else{document.addEventListener('DOMContentLoaded',fn);}} 
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 +function camelToUpper(camelStr){return camelStr.replace(/[\w]([A-Z])/g,function(match){return match[0]+'_'+match[1];}).toUpperCase();} 
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 +return JSON.stringify(pingStatus);};} 
 +function checkFocus(pingState){var hasFocus=document.hasFocus();if(!hasFocus){pingState.errors.lostFocus=true;}} 
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 +topLevelChild=nextChild;} 
 +return clone.innerHTML;}} 
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 +function scaleSvgLength(value,factor){return value.replace(/^(.+?)([a-z%]*)$/,function(_,value,unit){var scaled=parseFloat(value)*factor;var result=''+scaled+unit;return result;});} 
 +function makeOutputJaxContainer(){var container=document.createElement('div');container.style.visibility='hidden';container.style.position='absolute';container.style.width='0';container.style.height='0';container.innerText='\\({}\\)';return container;} 
 +function jaxContainerToSvgUri(container){var svgElem=container.querySelector('svg');if(svgElem){svgElem=svgElem.cloneNode(true);svgElem.setAttribute('width',scaleSvgLength(svgElem.getAttribute('width'),FORMULA_SVG_SCALE_FACTOR));svgElem.setAttribute('height',scaleSvgLength(svgElem.getAttribute('height'),FORMULA_SVG_SCALE_FACTOR));svgElem.setAttribute('xmlns','http://www.w3.org/2000/svg');svgElem.querySelectorAll('use').forEach(function(useElem){if(!useElem.hasAttribute('xmlns:xlink')){useElem.setAttribute('xmlns:xlink','http://www.w3.org/1999/xlink');}});var svgHtml=svgElem.outerHTML;svgHtml=svgHtml.replace(' xlink=',' xmlns:xlink=');svgHtml=svgHtml.replace(/ ns\d+:href/gi,' xlink:href');return'data:image/svg+xml;base64,'+window.btoa(encodeMultibyteUnicodeCharactersWithEntities(svgHtml));}else{return'data:image/svg+xml;base64,'+window.btoa('<'+'?xml version="1.0" encoding="UTF-8" standalone="no"?>\n'+'<svg width="17px" height="15px" viewBox="0 0 17 15" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">\n'+'<title>Group 2</title>\n'+'<defs></defs>\n'+'<g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">\n'+'    <g transform="translate(-241.000000, -219.000000)">\n'+'        <g transform="translate(209.000000, 207.000000)">\n'+'            <rect x="-1.58632797e-14" y="0" width="80" height="40"></rect>\n'+'            <g transform="translate(32.000000, 12.000000)">\n'+'                <polygon id="Combined-Shape" fill="#9B0000" fill-rule="nonzero" points="0 15 8.04006 0 16.08012 15"></polygon>\n'+'                <polygon id="Combined-Shape-path" fill="#FFFFFF" points="7 11 9 11 9 13 7 13"></polygon>\n'+'                <polygon id="Combined-Shape-path" fill="#FFFFFF" points="7 5 9 5 9 10 7 10"></polygon>\n'+'            </g>\n'+'        </g>\n'+'    </g>\n'+'</g>\n'+'</svg>');}} 
 +function makeRenderFormulaFunction(){var mathjaxContainer=makeOutputJaxContainer();document.body.appendChild(mathjaxContainer);var outputJaxPromise=new Promise(function(resolve){MathJax.Hub.Queue(['Typeset',MathJax.Hub,mathjaxContainer]);MathJax.Hub.Queue(function(){var outputJax=MathJax.Hub.getAllJax(mathjaxContainer)[0];resolve(outputJax);});});return function(latex,callback){outputJaxPromise.then(function(outputJax){MathJax.Hub.Queue(['Text',outputJax,'\\displaystyle{'+latex+'}']);MathJax.Hub.Queue(function(){callback(jaxContainerToSvgUri(mathjaxContainer));});});};} 
 +function loadAnswerCount(callback){var status={total:0,answered:0,saved:0,unsaved:0};var radioItems={};document.querySelectorAll('fieldset > div.radio > div.input-wrap > input').forEach(function(radio){radioItems[radio.name]=true;if(radio.checked){status.answered++;}});status.total+=Object.keys(radioItems).length;var savedRadioCount=document.querySelectorAll('fieldset > div.radio > div.input-wrap.saved').length;status.saved+=savedRadioCount;var unsavedRadioCount=document.querySelectorAll('fieldset > div.radio > div.input-wrap.saving').length;status.unsaved+=unsavedRadioCount;var checkboxItems={};document.querySelectorAll('fieldset > div.checkboxes > div.input-wrap > input').forEach(function(checkbox){checkboxItems[checkbox.name]=true;});var checkboxesCount=Object.keys(checkboxItems).length;status.total+=checkboxesCount;var checkedboxItems={};document.querySelectorAll('fieldset > div.checkboxes > div.input-wrap.saved > input:checked').forEach(function(checkedbox){checkedboxItems[checkedbox.name]=true;});var savedCheckboxesCount=Object.keys(checkedboxItems).length;status.saved+=savedCheckboxesCount;var connectOptionsCount=document.querySelectorAll('fieldset > div.connect-options').length;status.total+=connectOptionsCount;var connectedConnectOptionsItems={};document.querySelectorAll('fieldset div.connect-options input.connection-input:checked').forEach(function(connectionInput){var connectionElement=document.getElementById(connectionInput.dataset.connectionElementId);if(connectionElement.classList.contains('saved')){connectedConnectOptionsItems[connectionInput.dataset.itemId]=true;}});status.saved+=Object.keys(connectedConnectOptionsItems).length;document.querySelectorAll('fieldset > div.text .text-input').forEach(function(textInput){status.total++;if(textInput.dataset.lastSavedValue&&textInput.dataset.lastSavedValue.length>0){status.saved++;} 
 +if(textInput.dataset.lastSavedValue!==getTextInputValue(textInput).trim()){status.unsaved++;} 
 +if(getTextInputValue(textInput).trim()){status.answered++;}});document.querySelectorAll('.inline-item .text-input').forEach(function(textInput){var inputWrap=textInput.closest('.input-wrap');status.total++;var hasContent=getTextInputValue(textInput).trim().length>0;if(inputWrap.classList.contains('saved')&&hasContent){status.saved++;} 
 +if(inputWrap.classList.contains('saving')){status.unsaved++;} 
 +if(hasContent){status.answered++;}});document.querySelectorAll('.inline-item select').forEach(function(select){var inlineStatus=select.parentNode.querySelector('.inline-status');status.total++;if(inlineStatus.classList.contains('saved')){status.saved++;} 
 +if(inlineStatus.classList.contains('saving')){status.unsaved++;} 
 +if(select.value||select.selectedIndex>0){status.answered++;}});callback(status);} 
 +function updateAnswerCount(callback){loadAnswerCount(function(status){var displayAllNotAnswered=status.answered<status.total;document.querySelectorAll('.all-not-answered').forEach(function(element){element.style.display=displayAllNotAnswered?'':'none';});var displayUnsavedChanges=status.unsaved>0;document.querySelectorAll('.unsaved-answers').forEach(function(element){element.style.display=displayUnsavedChanges?'':'none';});var answerStatusContent=document.getElementById('return-confirmation-answer-status');if(answerStatusContent!==null){var templateText=answerStatusContent.dataset.templateText;answerStatusContent.textContent=templateText.replace('{questions}',status.total).replace('{answers}',status.saved);} 
 +callback();});} 
 +var onloadResizeFunction;documentReady(function(){var enableAutosaving=!!metaMap.getString('answer-key');var connectionCheckOnlyWhenPinging=metaMap.getBool('ping-connection-check-only');pinger={enablePings:!!metaMap.getString('ping-key'),pauseActivatedByPing:false,pingKey:metaMap.getString('ping-key'),currentTimeout:null,eventEndTimeElement:document.querySelector('.event-end-time'),setPingTimeout:function(pingState,timeout){var pinger=this;var jitter=PING_JITTER*2*Math.random()-PING_JITTER;pinger.currentTimeout=setTimeout(function(){pinger.ping(pingState);},timeout+jitter);},ping:function(pingState){if(!this.enablePings){return;} 
 +if(!pingState){pingState=new PingState();setInterval(function(){checkFocus(pingState);},CHECK_FOCUS_INTERVAL);} 
 +var pinger=this;var networkErrorMessage=document.getElementById('network-error-message');var networkErrorOverMessage=document.getElementById('network-error-over-message');var networkInterruptionDialog='network-error';var request=new XMLHttpRequest();request.open('POST',appPath+'/ping',true);request.timeout=PING_TIMEOUT;request.onload=function(){pingState.clockOut();pingState.clearConnectionErrorTimeout();networkErrorMessage.style.display='none';dialogHandler.closeDialog(networkInterruptionDialog);if(pingState.working===false){networkErrorOverMessage.style.display='';}else{networkErrorOverMessage.style.display='none';} 
 +pingState.working=true;if(!pinger.enablePings){return;} 
 +if(this.status>=200&&this.status<400){pinger.setPingTimeout(pingState,PING_DEFAULT_WAIT);pingState.lastSuccessfulPing=currentTimestampMs();pingState.resetErrors();var response=JSON.parse(this.response);if(!connectionCheckOnlyWhenPinging){var setRemainingTime=false;var pauseResponse=response.view.includes('pause');var currentPageIdIsValid=response.view.includes(pageId);if(pauseResponse){if(!pinger.pauseActivatedByPing){setRemainingTime=true;pinger.pauseActivatedByPing=true;dialogHandler.openDialog('paused-examination');document.getElementById('pause-over-message').style.display='none';answerSaver.cancelRetries();}}else{if(pinger.pauseActivatedByPing){setRemainingTime=true;pinger.pauseActivatedByPing=false;dialogHandler.closeDialog('paused-examination');document.getElementById('pause-over-message').style.display='';setTimeout(function(){document.getElementById('pause-over-message').style.display='none';},NOTIFICATION_DURATION);answerSaver.flushAnswers();} 
 +if(isExaminationPage&&response.totalTimeLeft<=0||isExaminationForm&&response.sectionTimeLeft<=0){setRemainingTime=true;if(response.totalTimeLeft<=0){pinger.stopPinging();} 
 +if(!dialogHandler.isOpen('forced-end-examination')){updateAnswerCount(function(){dialogHandler.openDialog('forced-end-examination');});}} 
 +if(pingState.lastResponseTime<PING_FAST_ENOUGH){setRemainingTime=true;} 
 +if(!currentPageIdIsValid){pinger.stopPinging();dialogHandler.openDialog('forced-refresh');window.location.reload();}} 
 +if(setRemainingTime){timerCheckpoint=currentTimestampMs();if(isExaminationForm){timerCountdown=response.sectionTimeLeft;}else{timerCountdown=response.totalTimeLeft;} 
 +if(pinger.eventEndTimeElement){var remainingTime=timestampToTzCorrectedDate(currentTimestampMs()+response.totalTimeLeft*1000+1000);var hours=remainingTime.getHours();var minutes=remainingTime.getMinutes();if(minutes<10){minutes='0'+minutes;} 
 +var time=hours+'.'+minutes;pinger.eventEndTimeElement.textContent=time;}}}}else if(this.status===401){dialogHandler.openDialog('session-invalid');}else if(this.status===409){dialogHandler.openDialog('invalid-page-load-id');}else{pingState.errors.errorStatus=true;pinger.setPingTimeout(pingState,PING_DEFAULT_WAIT);}};request.onerror=function(){if(pingState.working&&pingState.connectionErrorTimer===null){pingState.setConnectionErrorTimeout(function(){networkErrorMessage.style.display='';networkErrorOverMessage.style.display='none';pingState.working=false;pingState.setConnectionErrorTimeout(function(){dialogHandler.openDialog(networkInterruptionDialog);timerCountdown=null;},NETWORK_ERROR_INTERRUPTION_MESSAGE_DELAY-NETWORK_ERROR_MESSAGE_DELAY);},NETWORK_ERROR_MESSAGE_DELAY);} 
 +pingState.errors.connectionError=true;pinger.setPingTimeout(pingState,PING_NETWORK_ERROR_WAIT);};request.onabort=function(){pingState.errors.requestAborted=true;pinger.setPingTimeout(pingState,PING_ABORT_WAIT);};request.ontimeout=function(){pingState.errors.connectionTimeout=true;pinger.setPingTimeout(pingState,PING_TIMEOUT_WAIT);};request.setRequestHeader(REQUEST_KEY_HEADER,pinger.pingKey);pingState.clockIn();request.send(pingState.asPingStatusJson());},stopPinging:function(){if(this.currentTimeout!==null){clearTimeout(this.currentTimeout);} 
 +this.currentTimeout=null;this.enablePings=false;},};if(pinger.enablePings){setTimeout(function(){pinger.ping();},2*1000);} 
 +window.addEventListener('beforeunload',function(event){pinger.stopPinging();delete event.returnValue;});function setFieldsetDisabled(fieldset,disabled){fieldset.querySelectorAll('input, select, button, textarea').forEach(function(element){element.disabled=disabled;});if(disabled){fieldset.classList.add('disabled');fieldset.classList.remove('invalid');}else{fieldset.classList.remove('disabled');}} 
 +var consentQuestionIds=metaMap.getArray('consent-question-id');var agreeAnswerIds=metaMap.getArray('consent-agree-answer-id');function defineConsentSelectionHandler(consentQuestionId){onEvent('change','#'+consentQuestionId,'input',function(){var agreed=false;for(var i=0;i<agreeAnswerIds.length;i++){agreed=agreed||document.querySelector('.form input[value="'+agreeAnswerIds[i]+'"]').checked;} 
 +document.querySelectorAll('.form fieldset.question-item').forEach(function(fieldset){if(consentQuestionIds.indexOf(fieldset.id)!==-1){setFieldsetDisabled(fieldset,false);}else{setFieldsetDisabled(fieldset,!agreed);}});});} 
 +if(consentQuestionIds.length&&agreeAnswerIds.length){document.querySelectorAll('.form fieldset.question-item').forEach(function(fieldset){if(consentQuestionIds.indexOf(fieldset.id)!==-1){setFieldsetDisabled(fieldset,false);}else{setFieldsetDisabled(fieldset,true);}});for(var i=0;i<consentQuestionIds.length;i++){var consentQuestionId=consentQuestionIds[i];defineConsentSelectionHandler(consentQuestionId);}} 
 +function checkRequiredFields(form){var isValid=true;if(form.matches('.require-all-fields')){form.querySelectorAll('fieldset.question-item:not(.disabled)').forEach(function(fieldset){var checkedElement=fieldset.querySelector('input:checked, option:checked');if(!checkedElement||!checkedElement.value){isValid=false;fieldset.classList.add('invalid');}});if(!isValid){form.classList.add('validation-error');return isValid;} 
 +form.classList.remove('validation-error');}else if(form.matches('.require-credentials')){form.querySelectorAll('div.help-text').forEach(function(helpItem){helpItem.style.display='none';});form.querySelectorAll('div.input.credentials input[type=text], div.input.credentials input[type=password]').forEach(function(input){var val=input.value.trim();if(val===''){isValid=false;document.getElementById('error-check-username').style.display='';}});if(!isValid){return isValid;}} 
 +return isValid;} 
 +function createValidationErrorElement(fieldset,htmlContent){if(!htmlContent){return;} 
 +var div=document.createElement('div');div.classList.add('validation-error-message');div.innerHTML=htmlContent;fieldset.insertBefore(div,fieldset.firstChild);} 
 +document.querySelectorAll('form.require-all-fields').forEach(function(form){var formMessage=form.dataset.invalidMessage;form.querySelectorAll('fieldset.question-item').forEach(function(fieldset){createValidationErrorElement(fieldset,fieldset.dataset.invalidMessage||formMessage);});});onEvent('submit','body','form.ajax-submit',function(event){event.preventDefault();var form=this;if(form.classList.contains('processing')){return;} 
 +form.classList.remove('processing-error');if(!checkRequiredFields(form)){return;} 
 +form.classList.add('processing');doRequest('POST',form.getAttribute('action'),new FormData(form),function(){var response=JSON.parse(this.responseText);if(response.location){pinger.stopPinging();window.location.replace(response.location);}else{form.classList.remove('processing');}},function(){form.classList.remove('processing');form.classList.add('processing-error');var event=new CustomEvent('ajax-submit-error',{detail:this});form.dispatchEvent(event);},form.dataset.formKey);});onEvent('change','body','form.require-all-fields input',function(){var form=this.closest('form');form.classList.remove('validation-error');});function AnswerSet(){this.answers={};this.putAnswer=function(answer){var key=answer.itemId;if(answer.subItem2Id){key+='-'+answer.subItemId;} 
 +this.answers[key]=answer;};this.forEach=function(fn){var answers=this.answers;objectKeys(answers).forEach(function(key){fn(answers[key],key);});};this.clone=function(){var answers=this.answers;var clone=new AnswerSet();objectKeys(answers).forEach(function(key){clone.putAnswer(answers[key]);});return clone;};this.diff=function(other){var answers=this.answers;var diff=new AnswerSet();objectKeys(answers).forEach(function(key){var current=answers[key];var otherValue=other.get(key);if(current!==otherValue){diff.putAnswer(current);}});return diff;};this.get=function(key){return this.answers[key];};this.isEmpty=function(){return objectKeys(this.answers).length===0;};} 
 +function AnswerSaver(){var answerKey=metaMap.getString('answer-key');function requestData(answers){var data=[];answers.forEach(function(answer){data.push({itemId:answer.itemId,subItemId:answer.subItemId,subItem2Id:answer.subItem2Id,setValue:answer.setValue,textValue:answer.textValue,timestamp:answer.timestamp,});});return JSON.stringify(data);} 
 +function answerXhr(data,successCallback,errorCallback){var request=new XMLHttpRequest();request.open('POST',appPath+'/answer',true);request.timeout=ANSWER_TIMEOUT;request.onload=function(){if(this.status>=200&&this.status<400){successCallback.call(this);}else{errorCallback.call(this,'load');}};request.onerror=function(){errorCallback.call(this,'error');};request.onabort=function(){errorCallback.call(this,'abort');};request.ontimeout=function(){errorCallback.call(this,'timeout');};request.setRequestHeader(REQUEST_KEY_HEADER,answerKey);request.send(data);} 
 +this.savedTimestamps={};this.awaitingAnswers=new AnswerSet();this.retryTimerId=0;this.save=function(answer){this.awaitingAnswers.putAnswer(answer);this.doAnswerRequest();};this.flushAnswers=function(){if(this.awaitingAnswers.isEmpty()){return;} 
 +this.doAnswerRequest();};this.cancelRetries=function(){if(this.retryTimerId){clearTimeout(this.retryTimerId);} 
 +this.retryTimerId=0;};this.scheduleRetry=function(){var answerSaver=this;answerSaver.cancelRetries();answerSaver.retryTimerId=setTimeout(function(){answerSaver.retryTimerId=0;answerSaver.doAnswerRequest();},ANSWER_RETRY_WAIT);};this.doAnswerRequest=function(){this.cancelRetries();if(this.awaitingAnswers.isEmpty()){return;} 
 +var requestAnswers=this.awaitingAnswers.clone();var data=requestData(requestAnswers);var answerSaver=this;answerXhr(data,function(){var xhr=this;var diff=answerSaver.awaitingAnswers.diff(requestAnswers);answerSaver.awaitingAnswers=diff;requestAnswers.forEach(function(answer,key){var savedTimestamp=answerSaver.savedTimestamps[key];if(typeof savedTimestamp==='undefined'){savedTimestamp=0;} 
 +if(answer.timestamp>savedTimestamp){answer.savedCallBack.call(xhr);answerSaver.savedTimestamps[key]=answer.timestamp;}});if(!answerSaver.awaitingAnswers.isEmpty()){answerSaver.scheduleRetry();}},function(errorType){var retry=false;if(errorType==='load'&&this.status>=400&&this.status<500){if(this.status===401){dialogHandler.openDialog('session-invalid');}else if(this.status===409){dialogHandler.openDialog('invalid-page-load-id');}else if(this.status===429){retry=true;} 
 +if(retry){answerSaver.scheduleRetry();}}else{answerSaver.scheduleRetry();} 
 +requestAnswers.forEach(function(answer,key){if(answer.errorCallback){var savedTimestamp=answerSaver.savedTimestamps[key];if(typeof savedTimestamp==='undefined'){savedTimestamp=0;} 
 +if(answer.timestamp>savedTimestamp){answer.errorCallback.call(this,retry);}}});});};} 
 +answerSaver=new AnswerSaver();function baseSaveAnswer(itemId,options,savedCallBack,errorCallback){answerSaver.save({itemId:itemId,subItemId:options.subItemId,subItem2Id:options.subItem2Id,setValue:options.setValue,textValue:options.textValue,timestamp:Math.round(currentTimestampMs()),savedCallBack:savedCallBack,errorCallback:errorCallback,});} 
 +function makeSaveFunction(delay){var debounced=keyedDebounce(baseSaveAnswer,delay);return function(){debounced(arguments[0]).apply(null,arguments);};} 
 +var saveAnswer=makeSaveFunction(ANSWER_DELAY);var mouseActivatedConnectFromInput=null;onEvent('mouseup','html',null,function(){mouseActivatedConnectFromInput=null;});onEvent('mousedown','.form','.connect-options .connect-options-from-input',function(){mouseActivatedConnectFromInput=this;});function getConnectToContainer(containedElement){return containedElement.closest('.connect-options');} 
 +function switchConnectToOptions(container,connectFromInput){var targetClass;if(connectFromInput&&connectFromInput.checked){targetClass=connectFromInput.dataset.targetClass;}else{targetClass='connect-options-to-default';} 
 +container.querySelectorAll('.connect-options-to, .connection-input').forEach(function(target){var matches=target.matches('.'+targetClass);if(matches){target.classList.add('active');}else{target.classList.remove('active');}});} 
 +function updateContainerActivity(container){var anyFromChecked=container.querySelector('input.connect-options-from-input:checked');if(anyFromChecked){container.classList.add('active');}else{container.classList.remove('active');}} 
 +function clearOtherConnectFromInputs(container,connectFromInput){var referenceId=null;if(connectFromInput){referenceId=connectFromInput.id;} 
 +container.querySelectorAll('.connect-options-from-input').forEach(function(otherInput){var isSame=referenceId===otherInput.id;if(!isSame){otherInput.checked=false;}});updateContainerActivity(container);} 
 +onEvent('change','.form','.connect-options .connect-options-from-input',function(){var container=getConnectToContainer(this);clearOtherConnectFromInputs(container,this);switchConnectToOptions(container,this);});onEvent('focus','.form','.connect-options .connect-options-from-input',function(){if(mouseActivatedConnectFromInput===this){return;} 
 +var container=getConnectToContainer(this);clearOtherConnectFromInputs(container,this);switchConnectToOptions(container,this);});function focusOrChangeAnywhere(e){var targetContainer=getConnectToContainer(e.target);document.querySelectorAll('.form .connect-options').forEach(function(anotherContainer){if(anotherContainer!==targetContainer){clearOtherConnectFromInputs(anotherContainer,null);switchConnectToOptions(anotherContainer,null);anotherContainer.classList.remove('active');}});} 
 +onEvent('focus','html',null,focusOrChangeAnywhere);onEvent('change','html',null,focusOrChangeAnywhere);onEvent('change','.form','.connect-options .connection-input',function(){var connectionInput=this;var fromId=connectionInput.dataset.fromId;var toId=connectionInput.dataset.toId;var container=connectionInput.closest('.connect-options');var connectionElement=document.getElementById(connectionInput.dataset.connectionElementId);var isChecked=connectionInput.checked;if(isChecked){container.querySelectorAll('.connection-input').forEach(function(otherInput){var sameFrom=fromId===otherInput.dataset.fromId;var sameTo=toId===otherInput.dataset.toId;if(sameFrom&&!sameTo||!sameFrom&&sameTo){otherInput.checked=false;var otherConnectionElement=document.getElementById(otherInput.dataset.connectionElementId);setConnectionSvg(otherConnectionElement,null);}});var svg=createConnectionSvg(connectionElement);setConnectionSvg(connectionElement,svg);} 
 +if(enableAutosaving){connectionElement.classList.add('saving');connectionElement.classList.remove('saved');connectionElement.classList.remove('saved-animation');saveAnswer(container.dataset.itemId,{subItemId:connectionInput.dataset.fromId,subItem2Id:connectionInput.dataset.toId,setValue:connectionInput.checked},function(){connectionElement.classList.remove('saving');connectionElement.classList.add('saved');connectionElement.classList.add('saved-animation');if(!isChecked){setConnectionSvg(connectionElement,null);}});}});onEvent('change','.form','.connect-options input',function(){var container=getConnectToContainer(this);updateContainerActivity(container);});function resize(){document.querySelectorAll('.form .connect-options .connection svg').forEach(function(svg){var container=svg.parentNode;if(!container.offsetParent){return;} 
 +var viewBox=svg.getAttribute('viewBox');var width=container.offsetWidth;var height=container.offsetHeight;var referenceBox=svgViewBox(width,height);if(referenceBox!==viewBox){var path=svg.querySelector('path');svg.setAttributeNS(null,'viewBox',referenceBox);path.setAttributeNS(null,'d',svgPathDefinition(width,height,container.classList));}});} 
 +onloadResizeFunction=resize;var resizeTimeoutId=null;window.onresize=function(){if(resizeTimeoutId){clearTimeout(resizeTimeoutId);} 
 +var id=setTimeout(function(){if(id===resizeTimeoutId){resizeTimeoutId=null;} 
 +requestAnimationFrame(resize);},100);resizeTimeoutId=id;};document.querySelectorAll('.form .connect-options input.connection-input:checked').forEach(function(input){var connectionElement=document.getElementById(input.dataset.connectionElementId);var svg=createConnectionSvg(connectionElement);setConnectionSvg(connectionElement,svg);});onEvent('change','.form','.radio input',function(){var fieldset=this.closest('fieldset.question-item');fieldset.classList.remove('invalid');var radio=this;var wrapper=radio.parentNode;var container=radio.closest('fieldset');var allItemButtons=container.querySelectorAll('input');allItemButtons.forEach(function(itemButton){var wrapper=itemButton.parentNode;wrapper.classList.remove('saving');wrapper.classList.remove('saved');wrapper.classList.remove('saved-animation');});if(enableAutosaving){wrapper.classList.add('saving');var deleteItem=fieldset.querySelector('.radio.delete-answer');var deleteInput=deleteItem.querySelector('input');var setValue=radio.dataset.setValue!=='false';deleteInput.value=radio.value;saveAnswer(radio.name,{subItemId:radio.value,subItem2Id:null,setValue:setValue},function(){wrapper.classList.remove('saving');if(radio.checked){wrapper.classList.add('saved');wrapper.classList.add('saved-animation');deleteItem.style.visibility='visible';}});}});onEvent('change','.form','.checkboxes input',function(){this.closest('fieldset.question-item').classList.remove('invalid');var wrapper=this.parentNode;wrapper.classList.remove('saved');wrapper.classList.remove('saved-animation');if(enableAutosaving){wrapper.classList.add('saving');saveAnswer(this.name,{subItemId:this.value,subItem2Id:null,setValue:this.checked},function(){wrapper.classList.remove('saving');wrapper.classList.add('saved');wrapper.classList.add('saved-animation');});}});function stringToDate(dateString){var tzDiff=getClientTzOffset();var date=new Date(dateString);date.setTime(date.getTime()+tzDiff);return date;} 
 +var textInputs=document.querySelectorAll('.form .text .text-input');var textIntevalId=0;function setupTextAutosaveInterval(saveTextCallback){if(textIntevalId){clearInterval(textIntevalId);} 
 +textIntevalId=setInterval(function(){textInputs.forEach(function(textInput){saveTextCallback(textInput);});},TEXT_AUTOSAVE_FREQUENCY);} 
 +function saveText(textInput){var trimmedValue=getTextInputValue(textInput).trim();if(textInput.dataset.lastSavedValue!==trimmedValue){if(trimmedValue.length>getTextInputMaxLength(textInput)){return;} 
 +if(textInput.dataset.valueBeingSaved===trimmedValue){return;} 
 +textInput.dataset.valueBeingSaved=trimmedValue;var container=textInput.closest('div.text');var savedNotificationElement=container.querySelector('.text-saved-notification');var lastSavedElement=container.querySelector('.status .last-saved');container.classList.add('saving');savedNotificationElement.classList.remove('saved-animation');var itemId=getTextInputName(textInput);var setValue=trimmedValue.length>0;saveAnswer(itemId,{textValue:getTextInputValue(textInput),setValue:setValue},function(){delete textInput.dataset.valueBeingSaved;textInput.dataset.lastSavedValue=trimmedValue;container.classList.remove('changed');container.classList.remove('saving');savedNotificationElement.classList.add('saved-animation');var serverDate=stringToDate(this.getResponseHeader('Date'));var hours=serverDate.getHours();var minutes=serverDate.getMinutes();if(minutes<10){minutes='0'+minutes;} 
 +var time=hours+'.'+minutes;lastSavedElement.textContent=lastSavedElement.dataset.template.replace('{time}',time);setupTextAutosaveInterval(saveText);},function(){container.classList.remove('saving');delete textInput.dataset.valueBeingSaved;});}} 
 +function updateLengthInfo(container,textInput,counter,value){var maxLength=getTextInputMaxLength(textInput);var errorMessageId=getTextInputName(textInput)+'-too-long-answer';var errorMessageElement=document.getElementById(errorMessageId);if(value.length>maxLength){container.classList.add('too-long-answer');if(errorMessageElement&&textInput.getAttribute('aria-invalid')!=='true'){textInput.setAttribute('aria-invalid','true');textInput.setAttribute('aria-errormessage',errorMessageId);errorMessageElement.setAttribute('role','alert');}}else{container.classList.remove('too-long-answer');if(errorMessageElement&&textInput.getAttribute('aria-invalid')!=='false'){textInput.setAttribute('aria-invalid','false');textInput.removeAttribute('aria-errormessage');errorMessageElement.removeAttribute('role');}} 
 +if(counter){counter.textContent=counter.dataset.template.replace('{used}',textInput.value.length).replace('{total}',maxLength);}} 
 +onEvent('click','.form','.text button.save-text',function(){var container=this.closest('div.text');var textInput=container.querySelector('.text-input');saveText(textInput);});onEvent(['input','math-input'],'.form','.text .text-input',function(){var textInput=this;if(textInput.tagName==='TEXTAREA'){textInput.parentNode.setAttribute('data-value',textInput.value);} 
 +if(textInput.dataset.checkTimeoutId){return;} 
 +textInput.dataset.checkTimeoutId=setTimeout(function(){delete textInput.dataset.checkTimeoutId;var container=textInput.closest('div.text');var value=getTextInputValue(textInput).trim();if(textInput.dataset.lastSavedValue!==value){container.classList.add('changed');}else{container.classList.remove('changed');} 
 +updateLengthInfo(container,textInput,container.querySelector('.character-count'),value);},TEXT_MODIFICATION_CHECK_DELAY);});textInputs.forEach(function(textInput){var value=getTextInputValue(textInput).trim();textInput.dataset.lastSavedValue=value;var container=textInput.closest('div.text');updateLengthInfo(container,textInput,container.querySelector('.character-count'),value);});if(enableAutosaving&&textInputs.length>0){setupTextAutosaveInterval(saveText);} 
 +onEvent('focus','.form','.inline.select select',function(){var select=this;if(select.value&&!select.dataset.currentValue){select.dataset.currentValue=select.value;}});var saveInlineSelectAnswer=makeSaveFunction(INLINE_SELECT_AUTOSAVE_DELAY);onEvent('change','.form','.inline.select select',function(){var select=this;var oldValue=select.dataset.currentValue;var inlinStatus=select.parentNode.querySelector('.inline-status');inlinStatus.classList.remove('saving');inlinStatus.classList.remove('saved');inlinStatus.classList.remove('saved-animation');if(enableAutosaving){inlinStatus.classList.add('saving');var subItemId=select.value;var setValue=true;if(!subItemId){setValue=false;subItemId=oldValue;if(!subItemId){for(var i=0;i<select.options.length;i++){var candidateValue=select.options[i].value;if(candidateValue){subItemId=candidateValue;break;}}}} 
 +saveInlineSelectAnswer(select.name,{subItemId:subItemId,subItem2Id:null,setValue:setValue},function(){inlinStatus.classList.remove('saving');inlinStatus.classList.add('saved');inlinStatus.classList.add('saved-animation');});} 
 +if(select.options[0].value===''&&select.selectedIndex>0){select.remove(0);} 
 +select.dataset.currentValue=select.options[select.selectedIndex].value;});var saveInlineTextInputAnswer=makeSaveFunction(INLINE_TEXT_AUTOSAVE_DELAY);onEvent('input','.form','.inline.single-line .text-input',function(){var textInput=this;var wrapper=textInput.parentNode;wrapper.classList.remove('saved');wrapper.classList.remove('saved-animation');var savedNotificationElement=wrapper.querySelector('.inline-saved-notification');if(savedNotificationElement){savedNotificationElement.parentNode.removeChild(savedNotificationElement);} 
 +if(enableAutosaving){wrapper.classList.add('saving');var trimmedValue=getTextInputValue(textInput).trim();var setValue=trimmedValue.length>0;saveInlineTextInputAnswer(getTextInputName(textInput),{textValue:getTextInputValue(textInput),setValue:setValue},function(){wrapper.classList.remove('saving');wrapper.classList.add('saved');var savedNotificationElement=document.createElement('DIV');savedNotificationElement.classList.add('saved-animation');savedNotificationElement.classList.add('inline-saved-notification');savedNotificationElement.dataset.savedMessage=wrapper.dataset.savedMessage;wrapper.appendChild(savedNotificationElement);});}});onEvent('click','#active-message-container','div.message-container .close-dialog',function(){var messageContainer=this.closest('div.message-container');dialogHandler.closeDialog(messageContainer.id);});onEvent('click','#logout-button',null,function(){dialogHandler.openDialog('confirm-logout');});onEvent('ajax-submit-error','#login-form',null,function(event){var xhr=event.detail;var status=xhr.status;var errorElement='';if(status===401){errorElement='error-check-username';}else if(status>=400&&status<500){errorElement='error-contact-supervisor';}else if(status>=500&&status<600){errorElement='error-server-failure';}else if(!status){errorElement='error-network-failure';} 
 +document.getElementById(errorElement).style.display='';});onEvent('click','#end-examination-btn',null,function(){if(!dialogHandler.isOpen('end-examination')){updateAnswerCount(function(){dialogHandler.openDialog('end-examination');});}});onEvent('click','.start-examination-button',null,function(event){event.preventDefault();var form=document.getElementById('start-examination-form');form.action=this.dataset.action;form.dataset.formKey=this.dataset.formKey;var question=document.getElementById('confirm-start-examination-question');if(question===null){document.getElementById('confirm-start-examination-btn').click();dialogHandler.openDialog('start-examination');}else{question.textContent=question.dataset.text.replace('{examinationName}',this.dataset.examinationName);dialogHandler.openDialog('start-examination');}});onEvent('submit','#language-choice',null,function(event){event.preventDefault();if(!checkRequiredFields(this)){return;} 
 +var languageInput=this.querySelector('input[name="language"]:checked');if(languageInput){var language=languageInput.value;dialogHandler.openDialog('confirm-language-'+language);}});function getVerticalScroll(){if(window.pageYOffset!==undefined){return window.pageYOffset;}else{var d=document,r=d.documentElement,b=d.body;return r.scrollTop||b.scrollTop||0;}} 
 +var oldVerticalScroll=getVerticalScroll();var topBarTop=0;var topBarWrap=document.querySelector('div.topbar-wrap');if(topBarWrap){topBarTop=topBarWrap.getBoundingClientRect().top;} 
 +var topBarPlaceholder=document.querySelector('div.topbar-placeholder');function resizeTopBarPlaceholder(){if(topBarPlaceholder){topBarPlaceholder.style.height=''+topBarWrap.offsetHeight+'px';}} 
 +resizeTopBarPlaceholder();if(topBarPlaceholder){var scrollThreshold=Math.abs(oldVerticalScroll+topBarTop);if(oldVerticalScroll>scrollThreshold){document.body.classList.add('fixed');} 
 +window.addEventListener('scroll',function(){var verticalScroll=getVerticalScroll();if(oldVerticalScroll>scrollThreshold===verticalScroll>scrollThreshold){return;} 
 +if(verticalScroll>scrollThreshold){document.body.classList.add('fixed');}else{document.body.classList.remove('fixed');} 
 +oldVerticalScroll=verticalScroll;},true);window.addEventListener('resize',function(){resizeTopBarPlaceholder();},true);} 
 +var eTimer;function getRemainingTime(countDown){if(typeof timerCheckpoint==='undefined'){return null;}else{var diff=currentTimestampMs()-timerCheckpoint;return countDown-Math.floor(diff / 1000);}} 
 +var remainingTimeElement=document.getElementById('remaining-time');var remainingTimeTitleElement=document.getElementById('remaining-time-title');function updateTextContent(element,text,callback){if(!element){return;} 
 +if(element.dataset.textContentCache!==text){element.textContent=text;element.dataset.textContentCache=text;if(callback){callback();}}} 
 +function UpdateRemainingTime(){if(typeof timerCheckpoint!=='undefined'&&typeof timerCountdown!=='undefined'&&typeof timerTitle!=='undefined'&&timerCountdown!==null){var timeLeft=getRemainingTime(timerCountdown);if(timerTitle!==null){updateTextContent(remainingTimeTitleElement,timerTitle,resizeTopBarPlaceholder);} 
 +if(timeLeft>60){var text=remainingTimeElement.dataset.templateText.replace('{remainingTime}',Math.ceil(timeLeft / 60));updateTextContent(remainingTimeElement,text,resizeTopBarPlaceholder);}else if(timeLeft>0){updateTextContent(remainingTimeElement,remainingTimeElement.dataset.lessThanMinuteText,resizeTopBarPlaceholder);}else{if(eTimer!==undefined){clearInterval(eTimer);} 
 +updateTextContent(remainingTimeTitleElement,'',resizeTopBarPlaceholder);updateTextContent(remainingTimeElement,'',resizeTopBarPlaceholder);if(!dialogHandler.isOpen('forced-end-examination')){updateAnswerCount(function(){dialogHandler.openDialog('forced-end-examination');});}}}else{updateTextContent(remainingTimeTitleElement,'',resizeTopBarPlaceholder);updateTextContent(remainingTimeElement,'',resizeTopBarPlaceholder);}} 
 +(function(){var PRECISION_DECIMALS_SMALL=7;var PRECISION_DECIMALS_BIG=12;var PRECISION_THRESHOLD=0.01;var AVAILABLE_CLASS_NAME='available';var mem;var ans;function displayNotation(number,addParentheses){var rounded;var precision;if(Math.abs(number)<PRECISION_THRESHOLD){precision=PRECISION_DECIMALS_SMALL;}else{precision=PRECISION_DECIMALS_BIG;} 
 +rounded=parseFloat(number.toPrecision(precision));var match=rounded.toString().match(/([^e]*)e([+-])(\d+)$/);var notation=rounded;if(match===null){notation=parseFloat(notation);}else{var coef=parseFloat(match[1]);var exp=parseInt(match[2]+match[3]);notation=coef+'×10^'+exp;if(addParentheses){notation='('+notation+')';}} 
 +return notation;} 
 +function evaluate(){var expr=document.getElementById('expression').value;expr=expr.replace(/\s/g,'');expr=expr.replace(/–/g,'-');expr=expr.replace(/ANS/g,'('+ans+')');var result=window.mathParser.parse(expr);return result;} 
 +function memoryInActivation(){var memInAvailable=false;if(document.getElementById('expression').value){try{var a=evaluate();if(!isNaN(a)){memInAvailable=true;}}catch(e){memInAvailable=false;}} 
 +if(memInAvailable){document.getElementById('m_in').classList.add(AVAILABLE_CLASS_NAME);}else{document.getElementById('m_in').classList.remove(AVAILABLE_CLASS_NAME);}} 
 +function handleExpressionChange(fillParentheses,posFromEnd){var expression=document.getElementById('expression').value;if(fillParentheses){var missing=0;for(var i=0;i<expression.length;i++){if(expression[i]==='('){missing++;}else if(expression[i]===')'){missing--;} 
 +if(missing<0){break;}} 
 +if(missing>0){expression+=')'.repeat(missing);}} 
 +expression=expression.replace(/([0-9)eÏ€S])([AsctlaeÏ€(√])/g,'$1×$2');expression=expression.replace(/\*/g,'×');expression=expression.replace(/-/g,'–');expression=expression.replace(/\//g,'÷');expression=expression.replace(/,/g,'.');expression=expression.replace(/[^0-9sincotalgeÏ€().+–×÷√^ANS]/g,'');document.getElementById('expression').value=expression;document.getElementById('expression').selectionStart=expression.length-posFromEnd;document.getElementById('expression').selectionEnd=document.getElementById('expression').selectionStart;document.getElementById('expression').focus();memoryInActivation();} 
 +function calculate(){handleExpressionChange(true,0);var result=Number.NaN;try{result=evaluate();ans=displayNotation(result,true);}catch(e){} 
 +if(isNaN(result)){document.getElementById('ans').classList.remove(AVAILABLE_CLASS_NAME);document.getElementById('result').value=document.getElementById('result').dataset.syntaxErrorMessage;}else{document.getElementById('ans').classList.add(AVAILABLE_CLASS_NAME);document.getElementById('result').value=displayNotation(result,false);}} 
 +function toExpression(str){str=str.toString();var pos=document.getElementById('expression').selectionStart;var original=document.getElementById('expression').value;document.getElementById('expression').value=[original.slice(0,pos),str,original.slice(pos)].join('');var posFromEnd=document.getElementById('expression').value.length-pos-str.length;handleExpressionChange(false,posFromEnd);} 
 +onEvent('click','#calc button.key',null,function(){if(this.classList.contains('input')){var content=this.dataset.expression||this.textContent;if(this.dataset.suffix){content+=this.dataset.suffix;} 
 +toExpression(content);}else if(this.id==='m_in'){if(this.classList.contains(AVAILABLE_CLASS_NAME)){try{mem=displayNotation(evaluate(),true);document.getElementById('m_out').classList.add(AVAILABLE_CLASS_NAME);}catch(e){mem=null;document.getElementById('m_out').classList.remove(AVAILABLE_CLASS_NAME);memoryInActivation();}}}else if(this.id==='m_out'){if(this.classList.contains(AVAILABLE_CLASS_NAME)&&mem){toExpression(mem);}}else if(this.id==='ans'){if(this.classList.contains(AVAILABLE_CLASS_NAME)){toExpression('ANS');}}else if(this.id==='delete'){var val=document.getElementById('expression').value;document.getElementById('expression').value=val.substr(0,val.length-1);handleExpressionChange(false,0);}else if(this.id==='clearall'){if(document.getElementById('expression').value===''){document.getElementById('result').value='';}else{document.getElementById('expression').value='';} 
 +memoryInActivation();}else if(this.id==='equals'){calculate();}});onEvent('keyup','#calc','input#expression',function(){var posFromEnd=document.getElementById('expression').value.length-document.getElementById('expression').selectionStart;if(event.which===13||event.keyCode===13){calculate();}else{handleExpressionChange(false,posFromEnd);}});onEvent('click','#calcwrapper','div.calctab',function(){var calcwrapper=document.getElementById('calcwrapper');if(calcwrapper.classList.contains('opened')){calcwrapper.classList.add('closed');calcwrapper.classList.remove('opened');}else{calcwrapper.classList.add('opened');calcwrapper.classList.remove('closed');}});})();(function(){var countdown=document.getElementById('countdown');if(countdown){var countdownInterval;var countdownTarget=metaMap.getInt('countdown-target');var templateText=countdown.dataset.template;var countdownFn=function(){var timeLeft=Math.round((countdownTarget-currentTimestampMs())/ 1000);if(timeLeft<1){clearInterval(countdownInterval);countdown.textContent=countdown.dataset.justAMoment;}else{var seconds=timeLeft%60;timeLeft=Math.floor(timeLeft / 60);var minutes=timeLeft;countdown.textContent=templateText.replace('{minutes}',minutes).replace('{seconds}',seconds);}};countdownInterval=setInterval(countdownFn,1000);countdownFn();}})();onEvent('change','body.login #viewUsername','input',function(e){document.getElementById('username').type=e.target.checked?'text':'password';});onEvent('click','body.login','.language-choice button',function(e){e.preventDefault();var loginContent=document.getElementById('content');loginContent.classList.remove('display-language-fi');loginContent.classList.remove('display-language-sv');loginContent.classList.remove('display-language-en');loginContent.classList.add('display-language-'+this.lang);});if(window.MathJax){var renderFormula=makeRenderFormulaFunction();var renderingFormulaLabel=metaMap.getString('rendering-formula-label');var formulaEditorLanguage=metaMap.getString('formula-editor-language');document.querySelectorAll('.formula-editor').forEach(function(element){var existingFormulas=[];element.querySelectorAll('tex-source').forEach(function(texSource){var initFormula=new Promise(function(resolve){var latex=texSource.innerText;var placeholder=document.createElement('div');placeholder.classList.add('tex-loading');placeholder.textContent=renderingFormulaLabel;texSource.parentNode.replaceChild(placeholder,texSource);renderFormula(latex,function(svg){var img=document.createElement('img');img.src=svg;img.alt=latex;placeholder.parentNode.replaceChild(img,placeholder);resolve();});});existingFormulas.push(initFormula);});onEvent('DOMNodeInserted',`[data-name="${element.dataset.name}"]`,null,function(e){var newElement=e.target;if(newElement.tagName==='SPAN'&&!newElement.closest('div.math-editor')){newElement.replaceWith(...newElement.childNodes);element.normalize();}});Promise.all(existingFormulas).then(function(){makeRichText(element,{baseUrl:'/',updateMathImg:function($img,latex){renderFormula(latex,function(svg){$img.prop({src:svg,alt:latex,});$img.closest('[data-js="answer"]').trigger('input');});},locale:formulaEditorLanguage,},function(){var event=new CustomEvent('math-input',{detail:element});element.dispatchEvent(event);});element.setAttribute('aria-readonly','false');});});} 
 +eTimer=setInterval(UpdateRemainingTime,1000);UpdateRemainingTime();});documentLoaded(function(){var pageIntegrityEnabled=metaMap.getBool('page-integrity')!==false;function hideLoadingNotification(){var loadingElement=document.getElementById('loading-page-content');if(loadingElement&&loadingElement.parentNode){loadingElement.parentNode.removeChild(loadingElement);}} 
 +function reportError(failureType,extraInfo){doRequest('POST','/report-error',JSON.stringify({pageLoadError:failureType,userAgent:window.navigator.userAgent,extraInfo:extraInfo,}),function(){},function(){},null);} 
 +function loadingFailed(failureType,extraInfo){hideLoadingNotification();dialogHandler.openDialog('page-load-failure');extraInfo.preventedPageLoad=true;reportError(failureType,extraInfo);if(pinger){pinger.stopPinging();}} 
 +var pageEndGuard=document.getElementById('page-end-guard');var endGuardOk=pageEndGuard&&pageEndGuard.parentNode===document.body;if(!endGuardOk&&pageIntegrityEnabled){loadingFailed('html-end-guard',{pageEndGuard:pageEndGuard?pageEndGuard.outerHTML:'<no pageEndGuard found>',parent:pageEndGuard&&pageEndGuard.parentNode?pageEndGuard.parentNode.tagName:'<parent node not found>',});return;} 
 +if(typeof document.styleSheets!=='undefined'&&pageIntegrityEnabled){var origin=window.location.origin;var failedStyleSheets=[];var allGuardsOk=true;for(var i=0;i<document.styleSheets.length;i++){var styleSheet=document.styleSheets[i];var href='<unknown href>';try{href=styleSheet.href;if(!href){href='<no href>';} 
 +if(href.substring(0,origin.length)!==origin){continue;} 
 +var foundGuard=false;var lastSelector='<no rules>';for(var j=0;j<styleSheet.cssRules.length;j++){var selector=styleSheet.cssRules[j].selectorText;if(selector==='div.stylesheet-end-guard'){foundGuard=true;break;} 
 +lastSelector=selector;} 
 +if(!foundGuard){allGuardsOk=false;failedStyleSheets.push(href+': no end guard found, last selector is "'+lastSelector+'"');}}catch(e){failedStyleSheets.push(href+': '+(e.message?e.message:'<exception with no message>'));}} 
 +if(!allGuardsOk){loadingFailed('css-end-guard',{failedStyleSheets:failedStyleSheets,});}} 
 +var calculator=document.getElementById('calc-wrapper');if(calculator){if(typeof window.mathParser==='undefined'&&pageIntegrityEnabled){var scripts=[];document.querySelectorAll('script').forEach(function(script){scripts.push(script.src);});loadingFailed('calculator',{scripts:scripts,});return;}} 
 +var mainContentWrapper=document.getElementById('main-content-wrapper');if(mainContentWrapper){mainContentWrapper.style.display='';} 
 +hideLoadingNotification();onloadResizeFunction();});})(); 
 +    </script> 
 +</head> 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 + 
 +<!-- Calculator begins --> 
 +<div id="calcwrapper" class="show" aria-display="hidden"> 
 +    <div class="calctab open" title="Näytä laskin">laskin</div> 
 +    <div class="calctab close" title="Piilota laskin">&times;</div> 
 +    <div id="calc"> 
 +        <div id="display"> 
 +            <span class="resultbg"> 
 +                <input type="text" name="result" id="result" readonly="readonly" value="" data-syntax-error-message="Tarkista syöte" /> 
 +            </span> 
 +            <input type="text" name="expression" id="expression" /> 
 +        </div> 
 + 
 +        <div id="keypad"> 
 +            <div class="keyrow"> 
 +                <button class="key storage" id="m_in">M<sub>in</sub></button> 
 +                <button class="key storage" id="m_out">M<sub>out</sub></button> 
 +                <button class="key storage" id="ans">ANS</button> 
 +                <button class="key input logarithm" data-suffix="(">log</button> 
 +                <button class="key input logarithm" data-suffix="(">ln</button> 
 +            </div> 
 +            <div class="keyrow"> 
 +                <button class="key input trigonometry" data-suffix="(">sin</button> 
 +                <button class="key input trigonometry" data-suffix="(">cos</button> 
 +                <button class="key input trigonometry" data-suffix="(">tan</button> 
 +                <button class="key input power" data-expression="&Hat;2"><span class="lettersymbol">x</span><sup>2</sup></button> 
 +                <button class="key input power">&radic;</button> 
 +            </div> 
 + 
 +            <div class="keyrow"> 
 +                <button class="key input trigonometry" data-expression="asin(">sin<sup>-1</sup></button> 
 +                <button class="key input trigonometry" data-expression="acos(">cos<sup>-1</sup></button> 
 +                <button class="key input trigonometry" data-expression="atan(">tan<sup>-1</sup></button> 
 +                <button class="key input power" data-expression="&times;10&Hat;">&times;10<sup class="lettersymbol">x</sup></button> 
 +                <button class="key input power lettersymbol" data-expression="&Hat;">x<sup>y</sup></button> 
 +            </div> 
 + 
 +            <div class="keyrow"> 
 +                <button class="key input number">1</button> 
 +                <button class="key input number">2</button> 
 +                <button class="key input number">3</button> 
 +                <button class="key input parenthesis">(</button> 
 +                <button class="key input parenthesis">)</button> 
 +            </div> 
 + 
 +            <div class="keyrow"> 
 +                <button class="key input number">4</button> 
 +                <button class="key input number">5</button> 
 +                <button class="key input number">6</button> 
 +                <button class="key input arithmetics">+</button> 
 +                <button class="key input arithmetics">&#8211;</button> 
 +            </div> 
 + 
 +            <div class="keyrow"> 
 +                <button class="key input number">7</button> 
 +                <button class="key input number">8</button> 
 +                <button class="key input number">9</button> 
 +                <button class="key input arithmetics">&times;</button> 
 +                <button class="key input arithmetics">&divide;</button> 
 +            </div> 
 + 
 + 
 +            <div class="keyrow"> 
 +                <button class="key input number">.</button> 
 +                <button class="key input number">0</button> 
 +                <button class="key input number" data-expression="&#8211;">(-)</button> 
 +                <button class="key input number lettersymbol">&pi;</button> 
 +                <button class="key input number lettersymbol">e</button> 
 +            </div> 
 + 
 +            <div class="keyrow"> 
 +                <button class="key delete" id="delete">&#x232b;</button> 
 +                <button class="key delete" id="clearall">AC</button> 
 +                <div class="nokey"></div> 
 +                <div class="nokey"></div> 
 +                <button class="key equals" id="equals">=</button> 
 +            </div> 
 + 
 +        </div> 
 +    </div> 
 +</div> 
 +<!-- Calculator ends --></html> 
 + 
 +{{statdisplay>all}} 
 + 
 +{{statdisplay>all?graph}} 
 + 
 +{{statdisplay>all?graph Jan_2019 Dec_2019}} 
 + 
 +{{statdisplay>one month}} 
 + 
 +{{statdisplay>month by day}}  
 + 
 +{{statdisplay>month by day?graph Oct_2019}} 
 + 
 +{{statdisplay>month by hour}} 
 + 
 +{{statdisplay>user agents}}