Py 2.6 changes

Alan G Isaac alan.isaac at
Tue Sep 2 00:05:35 CEST 2008

bearophileHUGS at wrote:
> Now math has factorial:

That's rather underdocumented.
Does it really attempt exact calculation
for arbitrary integers??  Is there any
way to request a nice fast approximation
for large integers (e.g., with Gosper's
modification of Stirling's formula)?
Alan Isaac

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