Combination & Permutation Calculator
Calculates combinations, permutations, and factorials.
Info
Calculator for Permutation (nPr), Combination (nCr), and Factorial (n!). - Permutation: Order matters → nPr = n! / (n−r)! - Combination: Order doesn't matter → nCr = n! / (r! × (n−r)!) Uses BigInt for accuracy with large numbers.
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