Combination and Permutation Calculator

Calculate combinations and permutations.

combination

permutation

probability

math

ncr

npr

combinación

combinaison

combinazione

комбинация

مزيج

组合

संयोजन

combinação

組み合わせと順列計算機

Combination and Permutation Calculator

Calculate combinations (nCr) and permutations (nPr).

Total number of items (n)

Number of items to choose (r)

Formula & Explanation

Calculate combinations and permutations for a given set of items, essential for probability, statistics, and discrete mathematics problems.