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<A NAME=VARNAME>

<TITLE>VARNAME</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>



<B>VARNAME</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>declaration</B><P>
<P>
 
The declaration <em>varname</em> instructs REDUCE to use its argument as the 
default Fortran (when 
<A HREF=r37_0289.html>fort</A> is on) or 
<A HREF=r37_0181.html>structr</A> identifier 
and identifier stem, rather than using <em>ANS</em>. 
 <P> <H3> 
syntax: </H3>
<P>
<P>
<em>varname</em>&lt;identifier&gt; 
<P>
<P>
<P>
&lt;identifier&gt; can be any combination of one or more alphanumeric 
characters. Try to avoid REDUCE reserved words. 
<P>
<P>
 <P> <H3> 
examples: </H3>
<P><PRE><TT>
varname ident; 

  IDENT 


on fort; 

x**2 + 1; 

  IDENT=X**2+1. 


off fort,exp; 

structr(((x+y)**2 + z)**3); 

        3
  IDENT2
      where
                         2
         IDENT2 := IDENT1  + Z
  IDENT1 := X + Y

</TT></PRE><P>
<A HREF=r37_0284.html>exp</A>was turned off so that 
<A HREF=r37_0181.html>structr</A> could show the 
structure. If <em>exp</em> had been on, the expression would have been 
expanded into a polynomial. 
<P>
<P>
<P>