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Old 12-20-2005, 08:49 PM
uuDevil uuDevil is offline
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Join Date: Jul 2003
Location: Remembering P. Tillman
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Default Re: This forum needs a sticky

C(x,y)=x!/(y!*(x-y)!}

This is the number of combinations of x things taken y at a time.

E.G. the number of ways to be dealt [edit]pocket aces in Hold'em [/edit] is C(4,2)=4!/(2!*(4-2)!)=24/4=6 ways

x!= x*(x-1)*(x-2)*...3*2*1

E.G. 4!=4*3*2*1=24
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