<script>
var currentWord="75";
var currentNumber=75;
var outcome=(currentWord==currentNumber);
document.write(outcome);
</script>

<script>
var posNum=30;
var negNum=-posNum
var outcome=Math.abs(negNum);
document.write(outcome);
</script>

<script>
var posVal=41;
var negVal=-posVal;
var diffVal=(posVal-negVal);
document.write(diffVal);
</script>

<script>
var stringNum="4";
var stringNum2="20";
var mulEm=stringNum*stringNum2;
document.write(mulEm);
</script>

<script>
var stringNum="4";
var stringNum2="20";
var mulEm=stringNum+stringNum2;
document.write(mulEm);
</script>

var a=0;
var b=0
document.write(a/b)

var a=34;
var b=0
document.write(a/b)

<script>
var leftOperand=77;
var rightOperand=30;
var divEm=leftOperand/rightOperand;
var nada=0/0;

if(!isFinite(divEm)){
 document.write("Whoa Dude that's a big number!");
}

if(isNaN(nada)){
 document.write("You are dividing nothing by nothing");
}
</script>