About 177,000 results
Open links in new tab
  1. Permutation - Wikipedia

    Permutations are used in almost every branch of mathematics and in many other fields of science. In computer science, they are used for analyzing sorting algorithms; in quantum physics, for describing …

  2. Combinations and Permutations - Math is Fun

    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 …

  3. Permutations Calculator nPr

    Aug 1, 2025 · There are n! ways of arranging n distinct objects into an ordered sequence, permutations where n = r. The number of ways to choose a sample of r elements from a set of n distinct objects …

  4. Permutations and combinations | Description, Examples, & Formula ...

    Nov 28, 2025 · Permutations and combinations, the various ways in which objects from a set may be selected, generally without replacement, to form subsets. This selection of subsets is called a …

  5. Permutation - GeeksforGeeks

    Oct 15, 2025 · In Mathematics, a Permutation is defined as a mathematical concept that determines the number of possible arrangements for a specific set of elements. Therefore, it plays a big role in …

  6. Permutations - Meaning, Definition, Examples - Cuemath

    Permutation means "both selection and arrangement" whereas combination means just the "selection". Wherever the ordering of objects does not matter, we use combinations there.

  7. Permutation - Math.net

    A permutation refers to a selection of objects from a set of objects in which order matters. A phone number is an example of a ten number permutation; it is drawn from the set of the integers 0-9, and …

  8. Permutation -- from Wolfram MathWorld

    Dec 3, 2025 · A permutation, also called an "arrangement number" or "order," is a rearrangement of the elements of an ordered list into a one-to-one correspondence with itself.

  9. 3.2: Permutations and Permutation - Mathematics LibreTexts

    4 days ago · This section covers permutations, focusing on their calculation through the Multiplication Rule for Counting and factorials. It provides various examples, including Olympic swimming heats …

  10. PERMUTATION Definition & Meaning - Merriam-Webster

    : the act or process of changing the lineal order of an ordered set of objects. Did you know? Permutation has not changed all that much since it was borrowed into Middle English from Anglo-French as …