combination calculator

enter the value and click "calculate", the calculation result will be displayed.

formula:
C (n, r) = n! / (r! × (n - r)!)

enter n:
enter r:

calculation result:

combination:
what is a combination? combination calculators are used in different fields such as physics, statistics, and mathematics. the function of the combinatorial calculator is to find the total number of subsets that a superset may have.
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