<html>
<head>
<title>math</title>
<script type= "text/javascript ">
<!--
function oper()
{
var ch=parseInt(prompt( "Enter your choice 1.Addition 2.Subtraction 3.Multiplication 4.Division "));
switch(ch)
{
case 1:var v1=parseInt(prompt( "Enter the first value "));
var v2=parseInt(prompt( "Enter the second value "));
var v3=v1+v2;
document.writeln( "<br> "+ "Addition: "+v3);
break;
case 2:var v4=parseInt(prompt( "Enter the first value "));
var v5=parseInt(prompt( "Enter the second value "));
var v6=v4-v5;
document.writeln( "<br> "+ "Subtraction: "+v6);
break;
case 3:var v7=parseInt(prompt( "Enter the first value "));
var v8=parseInt(prompt( "Enter the second value "));
var v9=v7*v8;
document.writeln( "<br> "+ "Multiplication: "+v9);
break;
case 4:var v10=parseInt(prompt( "Enter the first value "));
var v11=parseInt(prompt( "Enter the second value "));
var v12=v10/v11;
document.writeln( "<br> "+ "Divison: "+v12);
break;
case 5:var v13=parseInt(prompt( "Enter the first value "));
var v14=parseInt(prompt( "Enter the second value "));
var v15=v13%v14;
document.writeln( "<br> "+ "Modulus: "+v15);
break;
default: document.writeln( "Enter choice correctly ");
}
}
</script>
</head>
<body onLoad= "oper()"></body>
</html>
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