function gradeanswers() { var correctans=0 if (document.checker.variable.value!="1") { document.checker.variable.value=1; var tempans1=document.quiz.question1.value; var sig1=document.quiz.sigfig1.value; var tempans2=document.quiz.question2.value; var sig2=document.quiz.sigfig2.value; var tempans3=document.quiz.question3.value; var sig3=document.quiz.sigfig3.value; var tempans4=document.quiz.question4.value; var sig4=document.quiz.sigfig4.value; var tempans5=document.quiz.question5.value; var sig5=document.quiz.sigfig5.value; var tempans6=document.quiz.question6.value; if(tempans1=="") { var tempans1="-----"; } if(sig1=="") { var sig1="-----"; } if(tempans2=="") { var tempans2="-----"; } if(sig2=="") { var sig2="-----"; } if(tempans3=="") { var tempans3="-----"; } if(sig3=="") { var sig3="-----"; } if(tempans4=="") { var tempans4="-----"; } if(sig4=="") { var sig4="-----"; } if(tempans5=="") { var tempans5="-----"; } if(sig5=="") { var sig5="-----"; } if(tempans6=="") { var tempans6="-----"; } var msg=open("","DisplayWindow"); msg.document.write(""); msg.document.write(""+ ""); msg.document.write("
Your results:"); msg.document.writeln("

Problem 1.

"); if((tempans1==truevalue1 || tempans1==truevalue1a || tempans1==truevalue1b) && (sig1==sigfig1)) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans1 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue1 + 'with ' + sigfig1 + ' significant figures.

'); } msg.document.writeln("

Problem 2.

"); if((tempans2==truevalue2 || tempans2==truevalue2a || tempans2==truevalue2b) && (sig2==sigfig2)) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans2 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue2 + ' with ' + sigfig2 + ' significant figures.

'); } msg.document.writeln("

Problem 3.

"); if((tempans3==truevalue3 || tempans3==truevalue3a || tempans3==truevalue3b) && (sig3==sigfig3)) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans3 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue3 + ' with ' + sigfig3 + ' significant figures.

'); } msg.document.writeln("

Problem 4.

"); if((tempans4==truevalue4 || tempans4==truevalue4a || tempans4==truevalue4b) && (sig4==sigfig4)) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans4 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue4 + ' with ' + sigfig4 + ' significant figures.

'); } msg.document.writeln("

Problem 5.

"); if((tempans5==truevalue5[index5] || tempans5==truevalue5a[index5] || tempans5==truevalue5b[index5]) && (sig5==sigfig5[index5])) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans5 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue5[index5] + ' with ' + sigfig5[index5] + ' significant figures.

'); } msg.document.writeln("

Problem 6.

"); if(tempans6==truevalue6[index6]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans6 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue6[index6] + '.

'); } msg.document.writeln("

Your Total score is: " + correctans + " out of 6.

"); msg.document.close(); } else { alert("Sorry, you cannot resubmit your answers. Click \"Start\" at the top of the page to start over."); } }