View Single Post
lendaddy lendaddy is online now
Dept store Quartermaster
 
lendaddy's Avatar
 
Join Date: Jul 2001
Location: I'm right here Tati
Posts: 19,867
Quote:
Originally Posted by cmccuist View Post
L-Daddy, try this.



where:

r is the size of each permutation,
n is the size of the set from which elements are permuted, and
! is the factorial operator.
For your example, n = 39 and r = 7.

So it would be 39!/(39-7)! = 39!/32!=77,519,922,478

If you can't use the numbers over again it's that mess divided by 7!

See jriera's post.
hmmm, I divided 77,519,922,478 by seven and got a different number than Jordi's. Now I'm confused again
__________________
Cornpoppin' Pony Soldier
Old 09-10-2007, 02:24 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #14 (permalink)