<!doctype HTML>
<html lang="en">
<head>
<title>Table Demonstration</title>
<meta charset="utf-8"/>
<link rel="stylesheet" href="tables.css"/>
</head>
<body>
<h1>Table Demonstration</h1>
<table>
<tr>
<!-- this makes a cell span 3 columns -->
<th colspan="3">Table of Powers</th>
</tr>
<tr>
<th>x</th>
<th>x<sup>2</sup></th>
<th>x<sup>3</sup></th>
</tr>
<tr>
<td>0</td>
<td>0</td>
<td>0</td>
</tr>
<tr>
<td>1</td>
<td>1</td>
<td>1</td>
</tr>
<tr>
<td>2</td>
<td>4</td>
<td>8</td>
</tr>
</table>
<p>Here is a demo of rowspan</p>
<table>
<tr>
<th colspan="2">Table with rowspand and colspan</th>
</tr>
<tr>
<td rowspan="2">Tall Cell</td>
<td>top right</td>
</tr>
<tr>
<td>bottom right</td>
</tr>
</table>
</body>
</html>