Combination & Permutation Calculator
Calculate nCr and nPr
Formula
C(n,r) = n! / (r!(n-r)!), P(n,r) = n! / (n-r)!
Combinations ignore order; permutations consider order.
Examples
C(10,3)
= 120 combinations, 720 permutations.
Frequently Asked Questions
About Combination & Permutation
Calculate combinations and permutations.
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