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Combinatorics FormulasCombinatorics Formulas "The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  Leon M. Lederman #2 20060407 02:06:07
Re: Combinatorics FormulasPermutations where n! = n(n1)(n2)(n3)......4 x 3 x 2 x 1 Some Important results Combinations The number of combinations (selections) of n different things taken r at a time Some Important results Character is who you are when no one is looking. #3 20061002 03:27:21
Re: Combinatorics FormulasLast edited by All_Is_Number (20061002 10:48:10) You can shear a sheep many times but skin him only once. 