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index.html
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index.html
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<html>
<head>
<script src="script.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<!-- create table -->
<body>
<div class = title > <strong>Calculator</strong></div>
<table class="calculator">
<tr>
<td colspan="3"><input class="display" type="text" id="result"/></td>
<!-- clr() function will call clr to clear all value -->
<td><input class="button" type="button" value="c" onclick="clr()"/> </td>
</tr>
<tr>
<!-- create button and assign value to each button -->
<!-- dis("1") will call function dis to display value -->
<td><input class="button" type="button" value="1" onclick="dis('1')"/> </td>
<td><input class="button" type="button" value="2" onclick="dis('2')"/> </td>
<td><input class="button" type="button" value="3" onclick="dis('3')"/> </td>
<td><input class="button" type="button" value="/" onclick="dis('/')"/> </td>
</tr>
<tr>
<td><input class="button" type="button" value="4" onclick="dis('4')"/> </td>
<td><input class="button" type="button" value="5" onclick="dis('5')"/> </td>
<td><input class="button" type="button" value="6" onclick="dis('6')"/> </td>
<td><input class="button" type="button" value="-" onclick="dis('-')"/> </td>
</tr>
<tr>
<td><input class="button" type="button" value="7" onclick="dis('7')"/> </td>
<td><input class="button" type="button" value="8" onclick="dis('8')"/> </td>
<td><input class="button" type="button" value="9" onclick="dis('9')"/> </td>
<td><input class="button" type="button" value="+" onclick="dis('+')"/> </td>
</tr>
<tr>
<td><input class="button" type="button" value="." onclick="dis('.')"/> </td>
<td><input class="button" type="button" value="0" onclick="dis('0')"/> </td>
<!-- solve function call function solve to evaluate value -->
<td><input class="button" type="button" value="=" onclick="solve()"/> </td>
<td><input class="button" type="button" value="*" onclick="dis('*')"/> </td>
</tr>
</table>
</body>
</html>