to count the number of combinations

Calculus combination

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Function : combination

Summary :

To calculate the number of k elements of part of a set of n elements.

combination online

Description :

The calculator used to calculate online the number of combination of a set of k elements from n elements. A combination of a set of k elements among n elements calculation as follows: `"n!"/"p!(n-p)!"`. The sign ! represents the factorial function. Ie the number of combination of a set of k among n elements elements equals the number of permutation divided by p!. This number of combination is the binomial coefficient .

  1. Calculating combination of a set
  2. The calculator is able to calculate the number of combination of a set of k elements from n elements with the results in exact form : for example, to calculate the number of combinations of a set of 3 elements from the 5 elements, enter combination(`5;3`), after calculation, the result is returned.


To calculate the number of k elements of part of a set of n elements.


Syntax :

combination(n;k), where n and k are integers


Examples :

combination(`5;3`), returns 10

Calculate online with combination (to count the number of combinations)
See also :