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<A NAME=NAT>

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



<B>NAT</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>switch</B><P>
<P>
 
 <P>
<P>
When <em>nat</em> is on, output is printed to the screen in natural form, with 
raised exponents. <em>nat</em> should be turned off when outputting expressions 

to a file for future input. Default is <em>on</em>. 
<P>
<P>
 <P> <H3> 
examples: </H3>
<P><PRE><TT>
(x + y)**3; 

   3      2          2    3
  X  + 3*X *Y + 3*X*Y  + Y  


off nat; 

(x + y)**3; 

  X**3 + 3*X**2*Y + 3*X*Y**2 + Y**3$ 


on fort; 

(x + y)**3; 

  ANS=X**3+3.*X**2*Y+3.*X*Y**2+Y**3

</TT></PRE><P>With <em>nat</em> off, a dollar sign is printed at the end of each
 expression. 
An output file written with <em>nat</em> off is ready to be read into REDUCE 
using the command 
<A HREF=r37_0231.html>in</A>. 
<P>
<P>
<P>