21
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¡Nobody expects the Spanish notation!
102 0 ReplyFuck I thought that was an absolute factorial.
45 0 ReplyAren’t all factorials absolute factorials?
7 0 ReplyIntroducing, the signed factorial: ¡n! = n × -(n-1) × (n-2) x -(n-3) x ... x (-1)^(n-2)(2) ×(-1)^(n-1)(1)
13 0 ReplyIt's the same calculation but you also take a shot of vodka for all integers less than n but greater than 0
5 0 Reply
The Spanish notation makes the parentheses around n-k obsolete, clearly saving one symbol in some formulas is worth introducing a new one in others.
40 0 ReplyWhy not both?
n! / k! ¡n-k!8 0 Reply
You don't need brackets in the Spanish notation. ¡{That's the whole point}!
34 0 ReplyWhyd you use curly brackets then?
7 0 ReplyBecause they become invisible in LaTeX
5 0 Reply¿{Did I thought}?
5 0 Reply
Kinky
8 0 ReplySpanish mathematician! Is this for real?
5 0 ReplyNo.
3 0 Reply
2 0 Reply
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