 executed by <code>TAB</code>, <code>RET</code> and <code>C-c C-c</code>.</li>
<li><code>=</code> introduces a column formula, <code>:=</code> a field formula.</li>
<li>Example: Add Col1 and Col2: <code>=1+2</code></li>
<li>&#x2026; with printf format specification: <code>=1+2;%.2f</code></li>
<li>&#x2026; with constants from constants.el: <code>=1/c/cm</code></li>
<li>sum from 2nd to 3rd hline: <code>:=vsum(@II..@III)</code></li>
</ul>

<table border="2" cellspacing="0" cellpadding="6" rules="group