Matematiikka

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  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]==”Ã—”||right[i][0]==”*”){ret=ret*num;}else if(right[i][0]==”Ã·”||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};})();

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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+'Ã—10^'+exp;if(addParentheses){notation='('+notation+')';}} return notation;} function evaluate(){var expr=document.getElementById('expression').value;expr=expr.replace(/\s/g,);expr=expr.replace(/â€“/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€(âˆš])/g,'$1Ã—$2');expression=expression.replace(/\*/g,'Ã—');expression=expression.replace(/-/g,'â€“');expression=expression.replace(/\g,'Ã·');expression=expression.replace(/,/g,'.');expression=expression.replace(/[^0-9sincotalgeÏ€().+â€“Ã—Ã·âˆš^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.round¹⁾/ 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 class="calctab open" title="Näytä laskin">laskin</div> <div class="calctab close" title="Piilota laskin">×</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">√</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="×10&Hat;">×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">–</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">×</button> <button class="key input arithmetics">÷</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="–">(-)</button> <button class="key input number lettersymbol">π</button> <button class="key input number lettersymbol">e</button> </div>

<div class="keyrow"> <button class="key delete" id="delete">⌫</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>

<!– Calculator ends –></html>

Summary by Month

Month Daily Average Monthly Totals

Hits Files Pages Visitors Hits Files Pages Visitors Bytes

2019-10 4408 3728 672 5 8816 7456 1344 10 191.4 MB

2019-11 6531 5679 805 33 182880 159008 22544 910 14.4 GB

2019-12 2972 2084 1249 92 92128 52096 38704 2862 3 GB

2020-01 1228 976 494 116 38064 22448 15328 3582 808.7 MB

2020-02 1652 1045 669 162 47920 28224 19408 4686 1.9 GB

2020-03 2309 1179 1154 382 71568 35360 35776 11838 1.9 GB

2020-04 4241 2427 1786 512 127232 72800 53584 15358 5.3 GB

2020-05 4692 2670 1994 713 145456 82768 61808 22110 5.1 GB

2020-06 5210 2138 3005 811 156288 64144 90160 24318 4.8 GB

2020-07 4501 655 3830 821 139520 20320 118736 25454 4.2 GB

2020-08 8412 2727 5604 1450 260784 84528 173728 44942 7 GB

2020-09 10467 4894 5371 1868 314000 146832 161136 56030 10.7 GB

2020-10 11046 4123 6812 1979 342432 127808 211184 61342 12 GB

2020-11 11371 6012 5085 1753 341136 180368 152544 52590 12.3 GB

2020-12 13544 7790 5308 1987 419872 241488 164560 61582 19.5 GB

2021-01 17199 11287 5656 2959 533184 349904 175344 91726 21.2 GB

2021-02 18689 12490 5796 3741 523296 349712 162288 104750 22.7 GB

2021-03 23710 17113 6176 4315 735024 530512 191456 133774 27.8 GB

2021-04 24924 17081 7595 4251 747712 512432 227840 127534 26.6 GB

2021-05 34324 20689 13219 4806 1064048 641344 409792 148990 30.4 GB

2021-06 19681 8367 10971 3037 590432 251008 329136 91118 14.7 GB

2021-07 13807 3642 9801 2225 428016 112912 303840 68990 8.8 GB

2021-08 76174 15922 59475 4019 2361392 493584 1843712 124590 32 GB

2021-09 32290 21214 10567 4970 968704 636432 317024 149086 29.4 GB

2021-10 29628 19669 9632 4327 918464 609728 298592 134142 26.7 GB

2021-11 33609 21783 11336 4991 1008256 653504 340080 149726 30.2 GB

2021-12 24320 14032 9993 3889 753920 434992 309792 120574 20.9 GB

2022-01 31427 20720 10229 4495 974240 642320 317088 139358 27.4 GB

2022-02 34319 21785 11991 4610 960944 609984 335744 129070 20.4 GB

2022-03 31241 20345 10402 4308 968464 630688 322464 133534 22.2 GB

2022-04 30034 19326 9743 3885 901024 579776 292304 116558 16.4 GB

2022-05 33697 23311 10013 4163 1044592 722640 310400 129054 18.5 GB

2022-06 14495 7817 6068 1866 434864 234496 182048 55982 6.6 GB

2022-07 11040 4541 5617 1339 342242 140784 174112 41502 4.8 GB

2022-08 25127 17197 7433 3348 778946 533120 230416 103774 16 GB

2022-09 32621 22898 9121 4001 978640 686944 273616 120030 21.3 GB

2022-10 24245 16759 7042 3136 751601 519520 218304 97214 17.9 GB

2022-11 27841 19043 8242 3583 835224 571284 247247 107496 16.9 GB

2022-12 20573 11724 7772 2447 637775 363450 240930 75855 11.2 GB

2023-01 25309 18532 6521 3340 784590 574485 202140 103545 13.7 GB

2023-02 32593 22977 9014 3768 912615 643350 252390 105510 16.4 GB

2023-03 33158 22031 10288 4304 1027905 682965 318930 133410 16.7 GB

2023-04 30345 21623 8417 4058 910350 648675 252495 121725 15.1 GB

2023-05 34459 23310 10354 4327 1068225 722625 320970 134145 20.8 GB

2023-06 22848 14360 7813 3007 685425 430785 234390 90195 24.3 GB

2023-07 15686 9504 5883 3022 486255 294630 182370 93675 7.6 GB

2023-08 33290 21204 11323 4208 1031985 657330 351015 130440 17.5 GB

2023-09 59140 43003 15460 10932 1774211 1290078 463787 327955 32.7 GB

2023-10 67772 56409 10932 9735 2100945 1748664 338899 301781 44.7 GB

2023-11 35270 29161 5756 5563 1058090 874821 172684 166904 22.3 GB

2023-12 13433 10673 2608 2663 416425 330870 80847 82551 7.7 GB

2024-01 5209 3985 1178 1240 161483 123521 36524 38430 3.3 GB

2024-02 3675 2486 1115 632 106587 72100 32330 18334 2 GB

2024-03 3496 2470 970 639 108389 76571 30085 19799 1.6 GB

2024-04 3812 2682 1075 718 68612 48270 19350 12916 1 GB

Monthly Statistics for 2024-04

Total hits 67620

Total files 48270

Total pages 19350

Total visitors 5341

Total bytes 100.5 MB

avg max

Hits per hour 2858.8333333333 4617

Hits per day 3811.7777777778 5368

Files per day 2681.6666666667 3604

Pages per day 1075 1696

Bytes per day 57.5 MB 80 MB

Hits by Status Code

Status 200 - OK 67620

Status 404 - Not Found 953

Status 412 - Precondition Failed 37

Status - 2

Daily Access Statistics for 2024-04

Day Hits Media Pages Visitors Traffic

01 2709 3.95% 1874 3.88% 789 4.08% 729 5.64% 41.9 MB 4.05%

02 4264 6.21% 3101 6.42% 1097 5.67% 835 6.46% 63.1 MB 6.10%

03 4624 6.74% 3439 7.12% 1138 5.88% 917 7.10% 71.5 MB 6.91%

04 3969 5.78% 2960 6.13% 995 5.14% 897 6.94% 66 MB 6.38%

05 3323 4.84% 2428 5.03% 883 4.56% 747 5.78% 54.9 MB 5.31%

06 2556 3.73% 1819 3.77% 676 3.49% 628 4.86% 36.1 MB 3.49%

07 3599 5.25% 2609 5.41% 954 4.93% 704 5.45% 51.1 MB 4.93%

08 4607 6.71% 3424 7.09% 1116 5.77% 848 6.57% 68.5 MB 6.62%

09 4367 6.36% 3337 6.91% 972 5.02% 762 5.90% 67.4 MB 6.51%

10 4479 6.53% 3199 6.63% 1228 6.35% 773 5.98% 72.7 MB 7.03%

11 5368 7.82% 3597 7.45% 1696 8.76% 795 6.16% 80 MB 7.73%

12 3273 4.77% 2362 4.89% 876 4.53% 654 5.06% 54.5 MB 5.26%

13 2651 3.86% 1471 3.05% 1114 5.76% 511 3.96% 38 MB 3.67%

14 3687 5.37% 2148 4.45% 1431 7.40% 601 4.65% 52.4 MB 5.06%

15 4766 6.95% 3345 6.93% 1330 6.87% 722 5.59% 69.2 MB 6.69%

16 5144 7.50% 3604 7.47% 1465 7.57% 793 6.14% 79.4 MB 7.67%

17 4099 5.97% 2760 5.72% 1269 6.56% 736 5.70% 50.1 MB 4.84%

18 1127 1.64% 793 1.64% 321 1.66% 264 2.04% 18.1 MB 1.75%

Hourly Access Statistics for 2024-04

Hour Hits Media Pages Visitors Traffic

0 1720 2.51% 827 1.71% 809 4.18% 384 2.97% 22.8 MB 2.20%

1 912 1.33% 457 0.95% 433 2.24% 321 2.49% 15.6 MB 1.51%

2 797 1.16% 391 0.81% 368 1.90% 312 2.42% 9.9 MB 0.96%

3 740 1.08% 400 0.83% 311 1.61% 295 2.28% 10.4 MB 1.01%

4 831 1.21% 358 0.74% 425 2.20% 342 2.65% 12.2 MB 1.17%

5 833 1.21% 385 0.80% 392 2.03% 319 2.47% 13.3 MB 1.28%

6 1257 1.83% 641 1.33% 582 3.01% 321 2.49% 15.1 MB 1.46%

7 1624 2.37% 1002 2.08% 573 2.96% 401 3.10% 25.2 MB 2.44%

8 3471 5.06% 2304 4.77% 1093 5.65% 616 4.77% 61.3 MB 5.92%

9 4119 6.00% 3157 6.54% 942 4.87% 734 5.68% 66.3 MB 6.41%

10 4359 6.35% 3320 6.88% 977 5.05% 734 5.68% 73.4 MB 7.09%

11 4079 5.95% 2827 5.86% 1199 6.20% 630 4.88% 62.6 MB 6.05%

12 4617 6.73% 3338 6.92% 1210 6.25% 731 5.66% 79.6 MB 7.69%

13 4597 6.70% 3426 7.10% 1134 5.86% 691 5.35% 67.4 MB 6.51%

14 4132 6.02% 2977 6.17% 1111 5.74% 661 5.12% 62.8 MB 6.07%

15 3656 5.33% 2817 5.84% 810 4.19% 654 5.06% 55 MB 5.32%

16 3968 5.78% 2822 5.85% 1107 5.72% 685 5.30% 55.9 MB 5.40%

17 4146 6.04% 3056 6.33% 1055 5.45% 620 4.80% 56.7 MB 5.48%

18 3739 5.45% 2826 5.85% 895 4.63% 674 5.22% 57.2 MB 5.52%

19 3560 5.19% 2623 5.43% 916 4.73% 663 5.13% 48.8 MB 4.71%

20 3395 4.95% 2558 5.30% 810 4.19% 653 5.06% 47.1 MB 4.55%

21 3157 4.60% 2384 4.94% 759 3.92% 559 4.33% 46.2 MB 4.47%

22 2565 3.74% 1732 3.59% 793 4.10% 508 3.93% 38.4 MB 3.71%

23 2338 3.41% 1642 3.40% 646 3.34% 408 3.16% 31.5 MB 3.05%

Top User Agents in 2024-04

# Name Hits

1 19350 100.00%

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