(a)</tt></b></dt>
	<dd> Loads and runs a program with filename <tt>a</tt>.</dd>
 <dt><b><tt>coeff(a,b,c)</tt></b></dt>
	<dd> Gives the coefficient of <tt>b</tt> raised to
  the power <tt>c</tt> in expression <tt>a</tt>.</dd>
 <dt><b><tt>concat(a,b)</tt></b></dt>
	<dd> Creates the symbol <tt>ab</tt>.</dd>
 <dt><b><tt>cons(a,b)</tt></b></dt>
	<dd> Adds <tt>a</tt> to the list <tt>b</tt> as its first element.</dd>
 <dt><b><tt>demoivre(a)</tt></b></dt>
	<dd> Transforms all complex exponentials in <tt>
    a</tt>