Permutation with repetition Calculator

Calculates the number of permutations with repetition of n things taken r at a time.

Permutation with repetition
number of things n
    1. n≧r≧0
number to be taken r

permutations nΠr
    1.  
    2. with repetition
    Permutation with repetition
    [0-0] / 0Disp-Num
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