COMBINA function

This article describes the formula syntax and usage of the COMBINA function (function: A prewritten formula that takes a value or values, performs an operation, and returns a value or values. Use functions to simplify and shorten formulas on a worksheet, especially those that perform lengthy or complex calculations.) in Microsoft Excel.

Description

Returns the number of combinations (with repetitions) for a given number of items.

Syntax   

COMBINA(number, number_chosen)

The COMBINA function syntax has the following arguments.

  • Number    Required. Must be greater than or equal to 0, and greater than or equal to Number_chosen. Non-integer values are truncated.
  • Number_chosen    Required. Must be greater than or equal to 0. Non-integer values are truncated.

Remarks

  • 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.
  • The following equation is used:
    COMBINA equation
  • In the equation above, N is Number and M is Number_chosen.

Example

The workbook below shows examples of this function. Inspect them, change existing formulas, or enter your own formulas to learn how the function works.

To work more in-depth with the example data in Excel, download the embedded workbook to your computer, and then open it in Excel.

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Applies to:
Excel 2013, Excel Online