NA Function

The NA function is one of the information functions. It is used to return the #N/A error value. This function does not require an argument.

The NA function syntax is:

NA()

To apply the NA 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 Information function group from the list,
4. click the NA function,
5. press the Enter button.

The result will be displayed in the selected cell.