Math

Combination Calculator

Calculate nCr , compare permutations, handle repetition cases, and generate binomial coefficient tables with CSV export.

nCr nPr Repetition Binomial Table

nCr Combination & Binomial Coefficient Tool

Enter n and r to compute exact combinations, explore related permutation counts, and build a coefficient table you can export.

n (Total items)

r (Chosen items)

Display

Number formatting

n (Total items)

r (Arranged items)

Number formatting

Display

n (Distinct items)

r (Selections)

Mode

Number formatting

n (Total items)

Max k

Table

Export

Number formatting