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Permutation

Permutations calculator

This calculator will help you to calculate the number of possible permutations or arrangements of n things taken r at a time with the steps shown.

Your Input :-

Your input can be in form of only be whole number

Enter value for n:

Enter value of r:

Constraint:

Note :- If you find any computational or Logical error in this calculator, then you can write your suggestion by clicking the below button or in the comment box.