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Permutation
Interactive Calculator

Permutation Formula
nPr = n ! / ( n - r )!


n = Given

n ! =

r = Given

counting all possible distinct arrangement taking "r" number of element at a time. Remember in permutation every different order is counted as possible answer.
r ! =
Touch this button twice → = (n- r) ! to solve for permutation
(n- r) ! =

Answer, n P r =


n! / (n-r)!


The coach wants to introduce each of the starting players at Wednesday's game. In how many different orders can each of the 5 starting players be introduced?

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