p"><!----></div>
</li>

<li> If you want to refer to the immediately preceding result
  computed by Maxima, you can either use its <tt>o</tt> label, or you can
  use the special symbol percent (<tt>%</tt>).
<div class="p"><!----></div>
</li>

<li> The standard quantities e (natural log base), i (square root
  of <font face="symbol">-</font
>1) and <font face="symbol">p</font
> (3.14159<font face="symbol">¼</font
>) are respectively referred to as
  <tt>%e</tt>, <tt>%i</tt>,
  and <tt>%pi</tt>.  Note that t