Permutation Calculator (nPr)
Calculate the number of ways to arrange objects where order matters.
Formula
P(n, r) = n! / (n - r)!
Where 'n' is total items and 'r' is items selected. Order matters (e.g., AB is different from BA).
Calculate the number of ways to arrange objects where order matters.
P(n, r) = n! / (n - r)!
Where 'n' is total items and 'r' is items selected. Order matters (e.g., AB is different from BA).