## How do you use ISNA in Google Sheets?

ISNA can be used in Google Sheets to return the nearest integer value to a supplied number. This can be useful for rounding numbers or for finding the nearest value in a set of data. To use ISNA in Google Sheets, enter the following formula into a cell:

=ISNA(number)

This will return "true" if the supplied number is not an integer, and "false" if it is.

## What is the syntax of ISNA in Google Sheets?

ISNA is a function in Google Sheets that allows you to check whether a value is a number. The syntax for ISNA in Google Sheets is as follows:

=ISNA(value)

## What is an example of how to use ISNA in Google Sheets?

ISNA can be used to filter data in Google Sheets. For example, if you want to filter a list of customers by their country, you can use the ISNA function to do so. To do this, you would first enter the list of customers into a Google Sheet. Next, you would use the ISNA function to filter the list by country. This would produce a list of customers that corresponds to the countries that you selected.

## When should you not use ISNA in Google Sheets?

ISNA should not be used when:

- You are looking to match text in one column with text in another column.

- You are looking to count the number of occurrences of a text string.

- You are looking to find the position of a text string in a column.

- You are looking to extract text from a column.

## What are some similar formulae to ISNA in Google Sheets?

ISNA is the Inverse Square of the Distance from the Source Algorithm. It is used to calculate the distance from a source point to a target point.

Some similar formulae to ISNA in Google Sheets are the Pythagorean Theorem, the Haversine Formula, and the Vincenty Formula.