This post will guide you how to use Excel COMBIN function with syntax and examples in Microsoft excel.

Description

The Excel COMBIN function returns the number of combinations for a given number of items. And you can use the COMBIN function to determine the total possible number of groups for a given number of items.

For example, assuming that you have 6 objects(a,b,c,d,e,f) and you can get 15 different combinations of 2 objects , the combinations are as follows:

ab ac ad ae af bc bd be bf cd ce cf de df ef 

The COMBIN function is a build-in function in Microsoft Excel and it is categorized as a Math and Trigonometry Function.

The COMBIN function in Excel 2016, Excel 2013, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000, Excel 2011 for Mac.

Syntax

The syntax of the COMBIN function is as below:

=COMBIN (number, number_chosen)

Where the COMBIN function arguments are:

• number – This is a required argument. . The number of items. It must be greater than 0, and it also must be greater than number_chosen argument.
• number_chosen – This is a required argument. The number of combinations that you want to.

Note:

• If either the number argument or the number_chosen argument is less than 0, then the COMBINA function will return the #NUM! Error.
• If any arguments are non-numeric, this function will return #VALUE! Error.
• If any arguments are integer values and will be truncated.
• if you want to calculate the number of combinations for a given number of items (with repetitions), you can use the COMBINA function.

Excel COMBIN Function Examples

The below examples will show you how to use Excel COMBIN Function to get the number of combinations for a given number objects from a set (in any order).

1# to get the number of combinations for 6 and 2(in any order), enter the following formula in Cell B1.

=COMBIN(6,2)

2# to get the number of combinations for 20 and 4(in any order), enter the following formula in Cell B2.

=COMBIN(20,4)

---

Related Functions

• Excel COMBINA Function
  The Excel COMBINA function returns the number of combinations for a given number of items and it includes repetitions. The syntax of the COMBINA function is as below:=COMBINA(number, number_chosen)…