Combinations & Permutations
Calculate nPr and nCr values
Formula
C(n,r) = n! / (r!(n-r)!)
Permutations = order matters; combinations = order doesn't matter.
Examples
C(10,3)
120 combinations, 720 permutations.
Frequently Asked Questions
About Combinations & Permutations
Calculate combinations and permutations for probability problems.
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