In this post, I’ll show you how to calculate the number of combinations with and without repetition and teach you the standard notation for combinations. I’ll also work through example problems so you …

Aug 1, 2025 · The Combinations Calculator will find the number of possible combinations that can be obtained by taking a sample of items from a larger set. Basically, it shows how many different …

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 …

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).

Jul 23, 2025 · Understanding how to calculate combination probability can be a useful mathematical skill in the field of math and science. In this article, we will discuss in detail the definitions of combination …

Jan 2, 2025 · Permutations and combinations are certainly related, because they both involve choosing a subset of a large group. Let’s explore that connection, so that we can figure out how to use what …

Probability with permutations and combinations Get 3 of 4 questions to level up! How many outfits can you make from the shirts, pants, and socks in your closet? Address this question and more as you …

This lesson defines combinations and permutations. Lists formulas to compute each measure. Sample problems with step-by-step solutions show how to use formulas.

Combinations can be useful in probability in many cases where we need to determine the number of ways a specific event can happen. One basic example is the flip of a coin.

Nov 26, 2025 · Learn about combinations in probability for your A Level maths exam. This revision note includes cases where items are repeated.