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 4684 3961 714 5 9367 7922 1428 10 203.4 MB

2019-11 6940 6034 856 3 194327 168946 23970 86 15.3 GB

2019-12 3157 2214 1326 7 97869 55352 41106 206 3.2 GB

2020-01 1306 1037 526 8 40477 23851 16320 253 859.3 MB

2020-02 1755 1111 710 11 50881 29988 20587 320 2 GB

2020-03 2492 1280 1239 25 77248 38386 38403 775 2.1 GB

2020-04 4473 2551 1892 33 134181 76534 56746 984 5.6 GB

2020-05 4996 2837 2129 45 154887 87958 65994 1410 5.4 GB

2020-06 5540 2272 3197 52 166192 68170 95914 1554 5.2 GB

2020-07 4777 719 4066 52 148087 21556 126038 1618 4.5 GB

2020-08 8932 2898 5947 91 276896 89845 184365 2835 7.4 GB

2020-09 11137 5206 5717 118 334101 156179 171513 3534 11.3 GB

2020-10 11733 4377 7238 124 363715 135677 224383 3856 12.7 GB

2020-11 12062 6385 5385 110 361845 191556 161551 3311 13 GB

2020-12 14415 8286 5656 125 446862 256853 175321 3884 20.8 GB

2021-01 18288 11988 6019 186 566933 371620 186592 5762 22.5 GB

2021-02 19837 13271 6136 235 555424 371586 171819 6570 24.1 GB

2021-03 25201 18192 6572 271 781235 563941 203728 8392 29.6 GB

2021-04 26491 18139 8087 267 794716 544170 242624 8005 28.3 GB

2021-05 36522 22027 14053 302 1132183 682839 435642 9353 32.4 GB

2021-06 20866 8847 11655 191 625974 265404 349639 5715 15.6 GB

2021-07 14710 3898 10426 140 456025 120853 323204 4338 9.4 GB

2021-08 80882 16893 63161 252 2507347 523685 1957992 7807 33.9 GB

2021-09 34311 22537 11235 312 1029316 676107 337042 9348 31.3 GB

2021-10 31455 20889 10216 271 975103 647564 316710 8401 28.3 GB

2021-11 35737 23163 12058 313 1072122 694875 361743 9394 32.1 GB

2021-12 25820 14897 10610 244 800428 461822 328899 7557 22.2 GB

2022-01 33398 22025 10865 282 1035351 682788 336804 8740 29.1 GB

2022-02 36460 23131 12751 289 1020884 647666 357034 8099 21.6 GB

2022-03 33210 21631 11052 270 1029503 670565 342618 8377 23.5 GB

2022-04 31910 20525 10354 244 957287 615740 310607 7305 17.5 GB

2022-05 35823 24792 10643 261 1110508 768553 329919 8104 19.7 GB

2022-06 15369 8278 6442 117 461057 248336 193273 3518 7 GB

2022-07 11720 4821 5961 85 363307 149447 184790 2624 5.1 GB

2022-08 26697 18278 7891 210 827594 566610 244630 6514 17 GB

2022-09 34681 24334 9704 251 1040434 730014 291125 7530 22.6 GB

2022-10 25758 17806 7479 197 798507 551990 231863 6107 19 GB

2022-11 29621 20275 8757 225 888641 608243 262718 6754 18 GB

2022-12 23316 13288 8808 164 722799 411934 273046 5087 12.7 GB

2023-01 28680 20994 7394 224 889066 650828 229211 6938 15.5 GB

2023-02 36958 26042 10233 252 1034824 729164 286535 7067 18.6 GB

2023-03 37609 24976 11681 288 1165877 774248 362117 8936 19 GB

2023-04 34358 24489 9522 271 1030727 734672 285651 8125 17.1 GB

2023-05 39115 26473 11743 290 1212576 820658 364038 8977 23.6 GB

2023-06 25919 16323 8830 203 777580 489702 264894 6083 27.6 GB

2023-07 17697 10680 6678 202 548607 331075 207009 6247 8.6 GB

2023-08 37725 24022 12839 282 1169481 744685 398021 8733 19.8 GB

2023-09 72517 52873 18811 785 2175524 1586185 564315 23548 40.2 GB

2023-10 97537 81244 15659 782 3023654 2518550 485435 24236 63.3 GB

2023-11 104112 86319 16744 801 3123359 2589576 502333 24032 65 GB

2023-12 76041 60406 14772 888 2357271 1872601 457946 27539 43.6 GB

2024-01 81221 61669 18840 997 2517836 1911735 584052 30902 53.1 GB

2024-02 62411 42256 18898 630 1809905 1225428 548046 18264 33.4 GB

2024-03 59497 42022 16520 639 1844398 1302676 512108 19814 27.6 GB

2024-04 67432 46020 20017 703 2022949 1380587 600508 21096 29.2 GB

2024-05 65344 39944 24298 686 2025669 1238263 753253 21277 40.1 GB

2024-06 39260 18566 19625 486 1177811 556988 588761 14592 15 GB

2024-07 41340 15476 24611 387 1281528 479757 762943 12003 102.3 GB

2024-08 76998 35998 40123 471 2386929 1115945 1243819 14609 93.8 GB

2024-09 101230 49804 50463 605 3036914 1494130 1513901 18147 90.3 GB

2024-10 99510 40716 57893 507 3084820 1262182 1794690 15715 86.5 GB

2024-11 92317 46317 45105 501 2769497 1389510 1353161 15024 90.8 GB

2024-12 53532 26663 25355 414 1659489 826557 786012 12831 133.1 GB

2025-01 66271 41481 23870 584 2054416 1285897 739959 18092 68 GB

2025-02 72581 37634 27011 565 2032265 1053745 756313 15818 36.4 GB

2025-03 104173 56299 30082 637 3229371 1745271 932535 19739 2208.9 GB

2025-04 62970 35318 25416 549 1889091 1059542 762467 16460 4617.7 GB

2025-05 60295 31730 25691 513 1869133 983637 796416 15889 2193.7 GB

2025-06 39375 12699 23287 301 1181245 380970 698598 9029 2225.8 GB

2025-07 113182 89695 22464 229 3508630 2780537 696371 7090 105.5 GB

2025-08 45935 20041 24550 374 1423999 621269 761048 11607 46.2 GB

2025-09 66944 32866 32896 483 2008329 985966 986867 14486 1319.3 GB

2025-10 49344 21489 26721 541 1529660 666162 828359 16771 4284.9 GB

2025-11 56404 22352 32795 376 1692129 670548 983858 11273 4357 GB

2025-12 41481 14443 25668 376 1285897 447746 795702 11646 1730 GB

2026-01 200763 172972 25903 457 6223649 5362134 802989 14163 215.6 GB

2026-02 37830 17402 19157 426 1059232 487248 536400 11939 128.6 GB

2026-03 42580 18762 21136 448 1319968 581632 655216 13877 97.1 GB

2026-04 35514 18652 14611 409 1065408 559568 438336 12262 72.3 GB

2026-05 71930 55302 12228 338 2229840 1714368 379072 10487 182.2 GB

2026-06 41407 30255 9848 258 579697 393314 128029 3609 9.1 GB

Monthly Statistics for 2026-06

Total hits 521343

Total files 393314

Total pages 128029

Total visitors 2182

Total bytes 628.8 MB

avg max

Hits per hour 24154.041666667 35896

Hits per day 41406.928571429 140695

Files per day 30254.923076923 113868

Pages per day 9848.3846153846 47520

Bytes per day 666.4 MB 1.2 GB

Hits by Status Code

Status - 264

Status 200 - OK 521343

Status 404 - Not Found 56899

Status 400 - Bad Request 247

Status 412 - Precondition Failed 944

Daily Access Statistics for 2026-06

Day Hits Media Pages Visitors Traffic

01 39248 6.77% 23648 6.01% 11232 8.77% 373 10.34% 841.9 MB 9.02%

02 40384 6.97% 30368 7.72% 8880 6.94% 299 8.28% 1.1 GB 11.75%

03 23728 4.09% 17248 4.39% 6016 4.70% 299 8.28% 744.7 MB 7.98%

04 77056 13.29% 18096 4.60% 47520 37.12% 281 7.79% 769.4 MB 8.25%

05 35455 6.12% 25600 6.51% 8976 7.01% 243 6.73% 975.3 MB 10.45%

06 27388 4.72% 20116 5.11% 6408 5.01% 214 5.93% 721 MB 7.73%

07 17238 2.97% 12413 3.16% 4514 3.53% 217 6.01% 517.1 MB 5.54%

08 25365 4.38% 15552 3.95% 8764 6.85% 202 5.60% 630.8 MB 6.76%

09 20724 3.57% 9680 2.46% 10410 8.13% 214 5.93% 403.3 MB 4.32%

10 12477 2.15% 7378 1.88% 4754 3.71% 200 5.54% 281.6 MB 3.02%

11 7833 1.35% 4384 1.11% 3120 2.44% 231 6.40% 139.8 MB 1.50%

12 140695 24.27% 113868 28.95% 6851 5.35% 484 13.41% 1.2 GB 13.63%

13 112099 19.34% 94963 24.14% 584 0.46% 352 9.75% 936.8 MB 10.04%

14 7 0.00% 0 0.00% 0 0.00% 0 0.00% 0 B 0.00%

Hourly Access Statistics for 2026-06

Hour Hits Media Pages Visitors Traffic

0 17740 3.06% 13418 3.41% 2089 1.63% 98 2.72% 336.5 MB 3.61%

1 14875 2.57% 11213 2.85% 1899 1.48% 108 2.99% 214.1 MB 2.29%

2 15291 2.64% 9162 2.33% 4307 3.36% 74 2.05% 244.4 MB 2.62%

3 11497 1.98% 7883 2.00% 2538 1.98% 92 2.55% 208.2 MB 2.23%

4 15564 2.68% 7911 2.01% 5946 4.64% 94 2.60% 278.1 MB 2.98%

5 16165 2.79% 9960 2.53% 5384 4.21% 156 4.32% 295.7 MB 3.17%

6 15782 2.72% 12110 3.08% 2796 2.18% 173 4.79% 371.3 MB 3.98%

7 27711 4.78% 17577 4.47% 8331 6.51% 224 6.21% 523.3 MB 5.61%

8 27013 4.66% 20761 5.28% 2905 2.27% 219 6.07% 433.4 MB 4.65%

9 34642 5.98% 28893 7.35% 3295 2.57% 203 5.62% 589.5 MB 6.32%

10 31932 5.51% 24126 6.13% 4127 3.22% 235 6.51% 467 MB 5.01%

11 35896 6.19% 29033 7.38% 5074 3.96% 222 6.15% 627.4 MB 6.73%

12 31651 5.46% 20533 5.22% 8216 6.42% 167 4.63% 569.5 MB 6.10%

13 27657 4.77% 18113 4.61% 7355 5.74% 207 5.74% 388.3 MB 4.16%

14 27137 4.68% 18443 4.69% 5300 4.14% 159 4.41% 416.1 MB 4.46%

15 32231 5.56% 22091 5.62% 8296 6.48% 174 4.82% 492.8 MB 5.28%

16 25104 4.33% 19373 4.93% 3450 2.69% 168 4.66% 609.7 MB 6.53%

17 23902 4.12% 19114 4.86% 2463 1.92% 157 4.35% 425.2 MB 4.56%

18 32624 5.63% 16810 4.27% 13770 10.76% 157 4.35% 540.2 MB 5.79%

19 30430 5.25% 17801 4.53% 9443 7.38% 135 3.74% 385.7 MB 4.13%

20 20884 3.60% 11097 2.82% 7118 5.56% 123 3.41% 228.9 MB 2.45%

21 22577 3.89% 11787 3.00% 2117 1.65% 84 2.33% 220.4 MB 2.36%

22 24372 4.20% 13808 3.51% 8894 6.95% 87 2.41% 240.3 MB 2.58%

23 17020 2.94% 12297 3.13% 2916 2.28% 93 2.58% 223.9 MB 2.40%

Top User Agents in 2026-06

# Name Hits

1 128029 100.00%

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