KLOORAPermutation and Combination Calculator
Calculate nPr, nCr and factorials for any n and r.
Quick answer: Permutation and Combination Calculator: Calculate nPr, nCr and factorials for any n and r. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Permutation and Combination Calculator
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
Features
- Instant results
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
Frequently asked questions
What is the difference between a permutation and a combination?
In a permutation order matters (ABC differs from CBA). In a combination order does not matter.
How are nPr and nCr calculated?
nPr = n! / (n - r)! and nCr = n! / (r! x (n - r)!).
Is the Permutation and Combination Calculator free?
Yes. It is free, needs no signup and works on any device.