What is the Combination Calculator (nCr)?

The Combination Calculator (nCr) helps you find how many unique ways you can choose r items from a total of n items without considering the order. It uses the standard mathematical combination formula based on factorials to compute the exact number of possible selections. This tool is especially useful for probability problems, statistics assignments, decision-making scenarios, and combinatorics-related calculations. By entering values for n and r, the calculator instantly provides the total number of combinations, making complex counting problems simple and accurate.

How to Use:

1. Enter n: Type the total number of available items.
2. Enter r: Enter how many items you want to choose from the total.
3. Click “Calculate”: The calculator applies the factorial formula to compute nCr.
4. View Result: The result appears clearly as C(n, r).
5. Use It: Apply the answer in probability questions, arrangements, or statistics analysis.