etic growing, increment is then the difference between two
consecutive rows in the &quot;Payment&quot; column.
<var>rate</var> is the interest rate, <var>increment</var> is the increment, <var>ammount</var>
is the ammount value, and <var>num</var> is the number of periods.
</p>
<p>Example:
</p>
<pre class="example">(%i1) load(finance)$
(%i2) arit_amortization(0.05,1000,56000,12)$
      &quot;n&quot;    &quot;Balance&quot;     &quot;Interest&quot;   &quot;Amortization&quot;  &quot;Payment&quot;      
     0.