Calculator in javascript

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<script type="text/javascript">function result()
{
try{
document.form1.Input.value=eval(form1.Input.value);
}
catch(e){
alert(‘oops! wrong use of operators’);
}
}</script>
<form>
<table border="4">
<tbody>
<tr>
<td>
<input name="Input" size="16" type="text" /></td>
</tr>
<tr>
<td>
<input onclick="form1.Input.value += ‘1′" name="one" type="button" value=" 1 " />
<input onclick="form1.Input.value += ‘2′" name="two" type="button" value=" 2 " />
<input onclick="form1.Input.value += ‘3′" name="three" type="button" value=" 3 " />
<input onclick="form1.Input.value += ‘ + ‘" name="plus" type="button" value=" + " />
<input onclick="form1.Input.value += ‘4′" name="four" type="button" value=" 4 " />
<input onclick="form1.Input.value += ‘5′" name="five" type="button" value=" 5 " />
<input onclick="form1.Input.value += ‘6′" name="six" type="button" value=" 6 " />
<input onclick="form1.Input.value += ‘ - ‘" name="minus" type="button" value=" - " />
<input onclick="form1.Input.value += ‘7′" name="seven" type="button" value=" 7 " />
<input onclick="form1.Input.value += ‘8′" name="eight" type="button" value=" 8 " />
<input onclick="form1.Input.value += ‘9′" name="nine" type="button" value=" 9 " />
<input onclick="form1.Input.value += ‘ * ‘" name="times" type="button" value=" x " />
<input onclick="form1.Input.value = ”" name="clear" type="button" value=" c " />
<input onclick="form1.Input.value += ‘0′" name="zero" type="button" value=" 0 " />
<input onclick="result()" name="DoIt" type="button" value=" = " />
<input onclick="form1.Input.value += ‘ / ‘" name="div" type="button" value=" / " /></td>
</tr>
</tbody></table>
</form>

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Posted on Tuesday, April 7th, 2009 at 2:32 pm under Javascript \| RSS 2.0 Feed

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