Possible Duplicate:
Is JavaScript's Math broken?
Elegant workaround for JavaScript floating point number problem
when i run following code
<html>
<head>
<script type="text/javascript">
var a=0.1;
var b=0.2;
var c=0.3;
document.write((a+b)+c);
document.write(' ');
document.write(a+(b+c));
document.write(' ');
document.write(a+b);
</script>
</head>
<body>
</body>
</html>
it shows me follwoing result
0.6000000000000001 0.6 0.30000000000000004
i dont understand how a+b=0.30000000000000004 also 0.30000000000000004+0.3 how is equal to 0.6?
