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help.html
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<div style="display: inline-block; width: auto; margin: 12pt; height: 95%; background-color: white; overflow-y: scroll">
<div title="Close (Esc)" style="margin: 4pt 12pt; cursor: pointer; float: right" id="help-back">❌</div>
<div style="overflow-y: auto; height: 100%; padding: 0 12pt;">
<h1>Arbitrary Precision Calculator – Help</h1>
<p>
Write your formulas as you're used to in JavaScript, one per line, e.g. <code>4*(b1111^b1010)+xff*o77</code>,
i.e. bitwise XOR the binary values <code>1111</code> and <code>1010</code>, then multiply the result with 4
(decimal), finally add the product of hexadecimal value <code>ff</code> and the octal value <code>77</code>.
You can also assign values to variables like in <code>a = 2**128</code>.
Choose number system of result output using the radio buttons.
</p>
<div style="display: flex; flex-direction: row; flex-wrap: wrap">
<table>
<caption>Operators</caption>
<thead>
<tr>
<th>Operator</th>
<th>Meaning</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>-</code></td>
<td>unary minus</td>
</tr>
<tr>
<td><code>~</code></td>
<td>bitwise NOT</td>
</tr>
<tr>
<td><code>**</code></td>
<td>power</td>
</tr>
<tr>
<td><code>*</code></td>
<td>multiplication</td>
</tr>
<tr>
<td><code>/</code></td>
<td>division</td>
</tr>
<tr>
<td><code>%</code></td>
<td>remainder</td>
</tr>
<tr>
<td><code>+</code></td>
<td>sum</td>
</tr>
<tr>
<td><code>-</code></td>
<td>difference</td>
</tr>
<tr>
<td><code><<</code></td>
<td>bitwise shift left</td>
</tr>
<tr>
<td><code>>></code></td>
<td>bitwise shift right</td>
</tr>
<tr>
<td><code><</code></td>
<td>less than</td>
</tr>
<tr>
<td><code>></code></td>
<td>greater than</td>
</tr>
<tr>
<td><code>≤</code></td>
<td>less or equal</td>
</tr>
<tr>
<td><code>≥</code></td>
<td>greater or equal</td>
</tr>
<tr>
<td><code>==</code></td>
<td>equal</td>
</tr>
<tr>
<td><code>!=</code></td>
<td>not equal</td>
</tr>
<tr>
<td><code>&</code></td>
<td>bitwise AND</td>
</tr>
<tr>
<td><code>|</code></td>
<td>bitwise OR</td>
</tr>
<tr>
<td><code>^</code></td>
<td>bitwise XOR</td>
</tr>
<tr>
<td><code>=</code></td>
<td>assignment</td>
</tr>
<tr>
<td><code>&=</code></td>
<td>compound assignment by bitwise AND</td>
</tr>
<tr>
<td><code>|=</code></td>
<td>compound assignment by bitwise OR</td>
</tr>
<tr>
<td><code>^=</code></td>
<td>compound assignment by bitwise XOR</td>
</tr>
<tr>
<td><code>/=</code></td>
<td>compound assignment by division</td>
</tr>
<tr>
<td><code>*=</code></td>
<td>compound assignment by multiplication</td>
</tr>
<tr>
<td><code>%=</code></td>
<td>compound assignment by remainder</td>
</tr>
<tr>
<td><code>+=</code></td>
<td>compound assignment by sum</td>
</tr>
<tr>
<td><code>-=</code></td>
<td>compound assignment by difference</td>
</tr>
<tr>
<td><code><<=</code></td>
<td>compound assignment by bitwise shift left</td>
</tr>
<tr>
<td><code>>>=</code></td>
<td>compound assignment by bitwise shift right</td>
</tr>
</tbody>
<tfoot>
<tr>
<td colspan="2">highest precedence first; use parentheses to modify precedence</td>
</tr>
</tfoot>
</table>
<table>
<caption>Functions</caption>
<thead>
<tr>
<th>Function</th>
<th>Meaning</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>gcd(a, b)</code></td>
<td>greatest common divisor</td>
</tr>
<tr>
<td><code>lcm(a, b)</code></td>
<td>least common multiple</td>
</tr>
<tr>
<td><code>sqrt(a)</code></td>
<td>square root</td>
</tr>
<tr>
<td><code>max(a, b)</code></td>
<td>maximum</td>
</tr>
<tr>
<td><code>min(a, b)</code></td>
<td>minimum</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>