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 …

Jul 23, 2025 · Combinations are way of selecting items from a collection of items. Different groups that can be formed by choosing r things from a given set of n different things, ignoring their order 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. …

COMBINATION definition: 1. the mixture you get when two or more things are combined: 2. an arrangement in a particular…. Learn more.

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.

Definition of combination noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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.

Combinatorics is an area of mathematics primarily concerned with counting, both as a means and as an end to obtaining results, and certain properties of finite structures. It is closely related to many other …