></dt>
	<dd> Gives the limit of expression <tt>a</tt> as
  variable <tt>b</tt> approaches the value <tt>c</tt>.  The latter may be
  taken as <tt>inf</tt> of <tt>minf</tt> as in <tt>integrate</tt>.</dd>
 <dt><b><tt>lhs(a)</tt></b></dt>
	<dd> Gives the left-hand side of the equation <tt>a</tt>.</dd>
 <dt><b><tt>loadfile(a)</tt></b></dt>
	<dd> Loads a disk file with filename <tt>a</tt> from
  the current default directory.  The disk file must be in the proper
  format (i.e. created by a <tt>save</tt> command)