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Permutations Calculator by Online Tool Base

Order Matters. The Permutations Calculator at Online Tool Base calculates the number of ways to arrange items where the sequence is important.

Arrangement Math

onlinetoolbase.online solves $nPr$:

  • Formula: $n! / (n-r)!$.
  • Example: First, Second, and Third place in a race.
  • Explosion: See how quickly possibilities grow with size.

How to Use

  1. Enter n (Total).
  2. Enter r (Selection).
  3. Calculate Permutations.

Arrange lists with the Permutations Calculator from Online Tool Base.