a, tera, giga, mega, kilo, hecto, deka, deci,
               centi, milli, micro, nano, pico, femto
           4 - all
</pre>
<p>Normally, Maxima will not define the full expansion since this results in a
very large number of units, but <code>metricexpandall</code> can be used to
rebuild the list in a more or less complete fashion.  The relevant variable
in the <em>unit.mac</em> file is <var>%unitexpand</var>.
</p></dd></dl>

<dl>
<dt><u>Variable:</u> <b>%unitexpand</b>
<a name="IDX2844"></a>
</dt>
<dd><p>D