Permutation Calculator (nPr)
Calculate permutations P(n,r) - the number of ways to arrange r items from n items where order matters.
48.6Kuses
8.4/10(109)
Permutation Formula
P(n, r) = n! / (n - r)! where n is total items and r is items chosen. Order matters in permutations.
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Disclaimer: This tool is provided as-is for informational and educational purposes only.