JavaScript: Calculator Script - Area Calculator 1

Main Calculator Script Area Calculator 1

<!-- TWO STEPS TO INSTALL AREA CALCULATOR:

1.  Copy this part of code inside your HTML HEAD

2.  Add the last code into the BODY of your HTML document  -->

<HEAD><title>JavaScript, java script, javascripts, script, javascript free code!</title>

<!-- Begin

function doArea(num) {

switch(num) {

case 0 : return (""); break;

case 1 : var length = prompt("Please enter the length of your square:", "");

length = length * length;

return (length); break;

case 2 : var width = prompt("Please enter the width of the base:", "");

var height = prompt("Please enter the height of the triangle:", "");

return (width * height / 2); break;

case 3 : var width = prompt("Please enter the width of your rectangle:", "");

var height = prompt("Please enter the height of your rectangle:", "");

return (width * height); break;

case 4 : var radius = prompt("Please enter the radius of the circle: ", "");

return (Math.PI * Math.pow(radius, 2)); break;

case 5 : var radius = prompt("Please enter the radious of the sphere:", 0);

return (4 * Math.PI * (Math.pow(radius, 2))); break;

}

//  End -->

</script>

</HEAD>

<BODY>

Find the area of a

<option> ...

<option value="square">Square

<option value="triangle">Triangle

<option value="rectangle">Rectangle

<option value="circle">Circle

<option value="sphere">Sphere

</select>

= <input type=text name=area size=10>

</form>

</center>

<font face="arial, helvetica" size="-2">Free JavaScripts<br>

by <a href="http://script.omduena.com">Your Free JavaScript World</a></font>

</center><p>

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