Math and Trignometric - COMBINA Function
Description
The COMBINA function returns the number of combinations (with repetitions) for a given number of items.
Syntax
COMBINA (number, number_chosen)
Arguments
Argument | Description | Required/Optional |
---|---|---|
Number | Must be greater than or equal to 0, and greater than or equal to Number_chosen. Non-integer values are truncated. |
Required |
Number_chosen | Must be greater than or equal to 0. Non-integer values are truncated. |
Required |
Notes
The following equation is used −
$$\binom{N+M-1}{N-1}$$
Where, N is Number and M is Number_chosen.
If the value of either argument is outside of its constraints, COMBINA returns the #NUM! error value.
If either argument is a non-numeric value, COMBINA returns the #VALUE! error value.
Applicability
Excel 2013, Excel 2016