# 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".

## References and Links

Combinations Calculator .Math Calculators and Solvers .

Power Calculator .