Tue Sep 13, 2011 10:11 pm
<html>
<head>
<title>calculator based on javascript.</title>
</head>
<form name="board" id="board">
<input type="text" id="resultsbox" style="text-align:center;background:white;" disabled="disabled">
</form>
<table>
<tr>
<td><input type="button" value="7" onclick="board.resultsbox.value += '7'"></td>
<td><input type="button" value="8" onclick="board.resultsbox.value += '8'"></td>
<td><input type="button" value="9" onclick="board.resultsbox.value += '9'"></td>
<td rowspan="2"><input type="button" onclick="board.resultsbox.value += '+'" style="height: 60px;" value ="+"></td>
</tr>
<tr>
<td><input type="button" value="4" onclick="board.resultsbox.value += '4'"></td>
<td><input type="button" value="5" onclick="board.resultsbox.value += '5'"></td>
<td><input type="button" value="6" onclick="board.resultsbox.value += '6'"></td>
</tr>
<tr>
<td><input type="button" value="1" onclick="board.resultsbox.value += '1'"></td>
<td><input type="button" value="2" onclick="board.resultsbox.value += '2'"></td>
<td><input type="button" value="3" onclick="board.resultsbox.value += '3'"></td>
<td rowspan="3">
<input type="button" onclick="board.resultsbox.value = eval(board.resultsbox.value)" style="height: 80px;" value ="="></td>
</tr>
<tr>
<td><input type="button" value="0" onclick="board.resultsbox.value += '0'"></td>
<td><input type="button" value="." style="width: 100%" onclick="board.resultsbox.value += '.' "></td>
<td><input type="button" value="-" onclick="board.resultsbox.value += '-'" ></td>
</tr>
<tr>
<td><input type="button" value="C" onclick="board.resultsbox.value = ''"></td>
<td><input type="button" value="/" onclick="board.resultsbox.value += '/'"></td>
<td><input type="button" value="x" onclick="board.resultsbox.value += 'x'"></td>
</tr>
</table>
</html>
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