>num</var> is the number of periods.
</p>
<p>Example:
</p>
<pre class="example">(%i1) load(finance)$
(%i2) amortization(0.05,56000,12)$
      &quot;n&quot;    &quot;Balance&quot;     &quot;Interest&quot;   &quot;Amortization&quot;  &quot;Payment&quot;      
     0.000     56000.000         0.000         0.000         0.000  
     1.000     52481.777      2800.000      3518.223      6318.223  
     2.000     48787.643      2624.089      3694.134      6318.223  
     3.000     44908.802      2439.382      387