# Permutations Calculator

 

An online calculator to calculate the number of permutations of $n$ elements taken $r$ a the time written as $n P r$ and given by the formula
$n P r = P(n , r) = \dfrac{n!}{(n-r)!}$

## Use the Permutations Calculator

1 - Enter the positive integers n and r and press "Calculate Permutations".

 (n,r) = 2 , 2