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<A NAME=HYPERGEOMETRIC>

<TITLE>HYPERGEOMETRIC</TITLE></A>
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<B>HYPERGEOMETRIC</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The <em>Hypergeometric</em> operator provides simplifications for the 
generalized hypergeometric functions. 
The <em>Hypergeometric</em> operator is included in the package specfn2. 
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syntax: </H3>
<em>hypergeometric</em>(&lt;list of parameters&gt;,&lt;list of parameters&gt;, 
 &lt;argument&gt;) 
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examples: </H3>
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load specfn2;

hypergeometric ({1/2,1},{3/2},-x^2); 


  atan(x)
  --------
     x


hypergeometric ({},{},z); 

   z
  e

</TT></PRE><P>The special case where the length of the first list is equal to 2 
and 
the length of the second list is equal to 1 is often called 
``the hypergeometric function'' (notated as 2F1(a1,a2,b;x)). 
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