Calculate combinations (nCr)
Calculate combinations (nCr) - number of ways to choose r items from n items without regard to order.
C(n,r) = n! / (r! × (n-r)!)
Yes, our Combination is completely free to use. No registration, payment, or subscription required.
Our calculator uses precise mathematical formulas and algorithms to ensure accurate results for all your math calculations. The formula used is: C(n,r) = n! / (r! × (n-r)!)
This calculator is perfect for: Probability calculations, Statistics, Lottery analysis, Game theory, Research design. It's designed for both personal and professional use.
Yes, our Combination is fully responsive and works perfectly on smartphones, tablets, and desktop computers. The interface adapts to your screen size for optimal usability.
No, we don't store any of your input data or calculation results. All calculations are performed locally in your browser for complete privacy and security.