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Calculators >>>
Just enter a math expression (with +, -, *, and / signs) and this script will evaluate the expression for you.
Enter a math expression and click "Calculate" !
Add the below code to the <body> section of your page:
<script
language="javascript"
type="text/javascript">
function
calc(form)
{
form.result.value=eval(form.expr.value);
}
</script>
<i>Enter
a math expression and click "Calculate" !</i>
<br>
<br>
<form>
<table
border=3
cellspacing=2
cellpadding=5>
<tr>
<td
align=center><i>Equation</i></td>
<td
align=center><i>Result</i></td>
</tr>
<tr>
<td
align=center><input
type=text
name=expr
size=15></td>
<td
align=center><input
type=text
name=result
size=15></td>
</tr>
<tr>
<td
colspan=2
align=center><input
type=button
value="Calculate!"
onclick="calc(this.form)"></td>
</tr>
</table>
</form>
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