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<head>
<style>
table, th, td {
border: 1px solid black;
}
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<body>
<table>
<tr>
<th>Character</th>
<th>Name</th>
<th>Unicode</th>
<th>Block</th>
</tr>
<tr>
<td>⋅</td>
<td>Dot Operator</td>
<td>U+22C5</td>
<td>Mathematical Operators Block (U+2200 - U+22FF)</td>
</tr>
<tr>
<td>∼</td>
<td>Tilde Operator</td>
<td>U+223C</td>
<td>Mathematical Operators Block (U+2200 - U+22FF)</td>
</tr>
<tr>
<td>∣</td>
<td>Divides</td>
<td>U+2223</td>
<td>Mathematical Operators Block (U+2200 - U+22FF)</td>
</tr>
<tr>
<td>−</td>
<td>Minus Sign</td>
<td>U+2212</td>
<td>Mathematical Operators Block (U+2200 - U+22FF)</td>
</tr>
</table>
</body>
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