Calculate with Math.PI : Math « Development « JavaScript DHTML

Calculate with Math.PI

  

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
var inpRadius;
inpRadius = 12;
alert(Math.PI * ((inpRadius)*(inpRadius)));
</script>
</head>
<body>

</body>
</html>

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