Talk:Special factorials: Difference between revisions
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(Demonstrate an efficient, readable reverse factorial algorithm) |
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--[[User:Chunes|Chunes]] ([[User talk:Chunes|talk]]) 17:06, 16 March 2021 (UTC)
=== Why is af(0) 0? ===
Is it that 0 is the additive identity the way that factorial of 0 is 1 is the multiplicative identity? If so why should it be the identity anyway?
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