COMBIN function

Description

COMBIN(number,number_chosen) returns the number of combinations of a number of items, where number_chosen is number of items in each combination, i.e. the number of ways to choose some number of objects from a pool of a given size of objects

The number of combinations, where number = n and number_chosen = k, is:

This is also known as the Binomial Coefficient.

• Numeric arguments are truncated to integers.

• The arguments cannot be negative.
• number_chosen must not be larger than number.

Calculator

See also

• COMBINA function
• Beta, Gamma, factorial and combination functions

External links

• Combination theory on Wikipedia.
• Binomial coefficient on Wikipedia.