Aug 1, 2025 · Find the number of ways of getting an ordered subset of r elements from a set of n elements as nPr (or nPk). Permutations calculator and permutations formula. Free online …

This free calculator can compute the number of possible permutations and combinations when selecting r elements from a set of n elements.

Online permutations calculator to help you calculate the number of possible permutations given a set of objects (types) and the number you need to draw from that set. Supports permutations …

Use the permutation calculator to determine the number of permutations in a set.

Find out how many different ways to choose items. For an in-depth explanation of the formulas please visit Combinations and Permutations.

Unlock the mathematics of arrangements with this powerful permutation calculator that computes standard arrangements, permutations with repetition, and circular permutations—all in one …

Nov 4, 2025 · Free online permutation and combination calculator. Calculate P (n,r), C (n,r), and factorials with step-by-step solutions. Compare permutations vs combinations and understand …

This online calculator is perfect for students, teachers, analysts, developers, and anyone needing to compute complex permutations instantly and accurately. No manual formulas, no …

Apr 3, 2025 · Permutation Calculator - nPr = n!/ (n-r)! Online — enter n and r to compute permutations with factorials, examples, and step-by-step combinatorics results.

Calculate permutations (nPr) with step-by-step solutions. Find the number of ways to arrange r items from n items when order matters.