Permutations Calculator

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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) = ,


References and Links

Combinations Calculator.
Math Calculators and Solvers.
Power Calculator.

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