Permutation & Combination
Calculate nPr and nCr.
Input Values
Results
Permutation (Order matters)
P(n,r) =
--
Combination (Order doesn't matter)
C(n,r) =
--
Formulas:
- P(n,r) = n! / (n-r)!
- C(n,r) = n! / (r! * (n-r)!)