Combinations Calculator — C(n,r) Free Online Calculator
Free combinations calculator. Compute C(n, r) — the number of ways to choose r items from n items without regard to order. Includes step-by-step formula.
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How to Use This Combinations Calculator
- Enter n (total items) and r (items to choose).
- See C(n,r) — the number of combinations.
- See the complete formula expansion.
Common Use Cases
- Calculate lottery odds
- Count possible team selections
- Solve probability and statistics problems
Frequently Asked Questions
This tool is for informational purposes only. Read our disclaimer.
Need help with this tool? help@bodhins.com
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