In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations).

When the order doesn't matter, it is a Combination. When the order does matter it is a Permutation. So, we should really call this a "Permutation Lock"! In other words: A Permutation is an ordered …

Aug 1, 2025 · Basically, it shows how many different possible subsets can be made from the larger set. For this calculator, the order of the items chosen in the subset does not matter. There are n! ways of …

Combinations are selections made by taking some or all of a number of objects, irrespective of their arrangements. The number of combinations of n different things taken r at a time, denoted by nCr. …

These 120 permutations can be divided into groups, such that each group consists of the permutations that represent the same combination. Since we are choosing three people, each group would consist …

Combination Calculator Combination calculator (nCr) with a solution. Computes the number of possible combinations and generates all the arrangements, whether with or without repetitions What is a …

Jan 10, 2026 · A combination is selecting items without considering order. For example, in the diagram below, PQ and QP are different in permutation but the same in combination. Therefore, we have …

The meaning of COMBINATION is a result or product of combining; especially : an alliance of individuals, corporations, or states united to achieve a social, political, or economic end.

com•bi•na•tion (ˌkɒm bəˈneɪ ʃən) n. 1. the act of combining or the state of being combined. 2. a number of things combined; mixture: a combination of ideas. 3. something formed by combining: A chord is a …

In mathematics, a combination refers to a selection of objects from a collection in which the order of selection doesn't matter. Think of ordering a pizza.