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Gamma and !

  1. Nov 22, 2008 #1


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    Why does Mathematica sometimes give Gamma, the funtion and sometimes !, the factorial? What is the differences?
  2. jcsd
  3. Nov 22, 2008 #2


    Staff: Mentor

    Usually factorial is used for integer arguments and Gamma is for non-integers.
  4. Nov 22, 2008 #3
    The gamma function gives the factorial function for positive real integer values.
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