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  1. Categories >> Software >> Scripts >> JavaScript
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Write a javascript program to make a simple calculator

Question Posted / san

Answer Posted / san

<html>
<form name="cals">
<table border=1>
<tr>
<td>
<input type="text" name="text" size=15>
</td>
</tr>
<br>
<tr>
<td>
<input type="button" value="1" onclick="cals.text.value +='1'">
<input type="button" value="2" onclick="cals.text.value +='2'">
<input type="button" value="3" onclick="cals.text.value +='3'">
<input type="button" value="+" onclick="cals.text.value +='+'">
<br>
<input type="button" value="4" onclick="cals.text.value +='4'">
<input type="button" value="5" onclick="cals.text.value +='5'">
<input type="button" value="6" onclick="cals.text.value +='6'">
<input type="button" value="- " onclick="cals.text.value +='-'">
<br>
<input type="button" value="7" onclick="cals.text.value +='7'">
<input type="button" value="8" onclick="cals.text.value +='8'">
<input type="button" value="9" onclick="cals.text.value +='9'">
<input type="button" value="*" onclick="cals.text.value +='*'">
<br>
<input type="button" value="c" onclick="cals.text.value =''">
<input type="button" value="0" onclick="cals.text.value +='0'">
<input type="button" value="=" onclick="cals.text.value = eval(cals.text.value)">
<input type="button" value="/" onclick="cals.text.value +=' /'">
<br>
</td>
</tr>
</table>
</form>
</html>

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