Combinations Calculator
Calculate combinations C(n,r) and permutations P(n,r) with the formula displayed. Uses BigInt for large numbers.
How to Use Combinations Calculator
Enter n (total items) and r (items to choose) to calculate combinations and permutations.
Step-by-Step Instructions
- Enter n (total items)
- Enter r (items to choose)
- Click Calculate
- View C(n,r) and P(n,r) results
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