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 .