# COMBIN Function

The COMBIN function is one of the math and trigonometry functions. It is used to return the number of combinations for a specified number of items.

The COMBIN function syntax is:

COMBIN(number, number-chosen)

where

number is a number of items, a numeric value greater than or equal to 0.

number-chosen is a number of items in a combination, a numeric value greater than or equal to 0 but less than number.

The numeric values can be entered manually or included into the cells you make reference to.

To apply the COMBIN function,

1. select the cell where you wish to display the result,
2. click the Insert function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Math and trigonometry function group from the list,
4. click the COMBIN function,
5. enter the required arguments separating them by comma,
6. press the Enter button.

The result will be displayed in the selected cell.