This calculator calculates the number of combinations, arrangements and permutations for given n and m

This combinations calculator generates all possible combinations of m elements from the set of n elements.

This calculator generates all pairs of factors for given integer.

This calculator generates a specified number of random integers within a given range.

For elements with weights this calculator can filter out all combinations where total weight is under the specified limit.

This online calculator generates all possible combinations of creating a team using limiting conditions like team roles and limits

The calculator is a combination generator that creates all possible combinations of items from different sets, and lists them in a table with columns labeled by set names and rows representing each combination.

This article describes how to work with dynamic columns in your calculator

This online calculator generates all combinations of teams for a given number of players and team size, so that everyone can play with and against everyone.

This online calculator represents given natural number as sequences of k-combinations, referred as the combinatorial number system of degree k (for some positive integer k), aka combinadics

This online calculator finds combination by index in lexicographically ordered set.