What's the difference between permutation and combination?

Permutations consider order (ABC ≠ BAC). Combinations don't (ABC = BAC).

Permutations: rankings, passwords. Combinations: lottery, team selection.

Permutation Combination Calculator

Browse all permutation combination calculator on CalcAll. Free, easy-to-use tools.

What's the difference between permutation and combination?: Permutations consider order (ABC ≠ BAC). Combinations don't (ABC = BAC).
When do I use each?: Permutations: rankings, passwords. Combinations: lottery, team selection.