Permutations (nPr)
nPr = n! / (n - r)!
Combinations (nCr)
nCr = n! / (r!(n - r)!)
사용 방법
Enter n and r to calculate permutations and combinations.
- Permutation nPr
- Combination nCr
- Supports large values
Enter n and r to calculate permutations and combinations.