How to use the COMBIN function
The COMBIN function returns the number of combinations for a specific number of elements out of a larger number of elements.
Formula in cell F3:
Column B, C and D demonstrate how many combinations there are when 2 elements are selected out of 3 elements [A, B, C].
The three combinations are [A,B] ,[A,C] and [B,C]. The elements internal order is not important, that is why [A,B] and [B,A] is the same combination.
Excel Function Syntax
COMBIN(number, number_chosen)
Arguments
| number | Required. A whole number larger than 0 (zero) that represents the total number of elements. |
| number_chosen | Required. A whole number larger than 0 (zero) that represents the number of elements in each combination. |
Comments
I recommend you click on the following link if you want to read about the difference between combinations and permutations in greater detail.
This extensive function reference list provides detailed information including syntax, arguments, return values, and examples for many of the functions used in Excel formulas. Click on headers to sort table.
Functions in 'Math and trigonometry'
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