How to Use the ISNUMBER Function in Excel

This guide explains how to use ISNUMBER Function in Excel, including its syntax, required arguments, practical examples, and common errors.

Description: The function returns True if the value is numeric. Use the function to check if the value is numeric or not.

Syntax: ISNUMBER (value)

Inside:

- value: The value you want to check is a numeric value or not, is a required parameter.

Attention:

- The function returns True if the value is a numeric value and vice versa, the function returns False.

- Where value is a logical value or a blank value -> the function returns False value .

For example:

Determine whether the values in the value are numerical or not.

- In the cell to calculate enter the formula : = ISNUMBER (C6)

- Press Enter -> return value is:

- Here cell C6 is a numeric value, not a text value, so the function returns True.

- Similarly copying the formula for the remaining values results:

- Where value is a logical value or a blank value -> the function returns False value .

Above are instructions and some specific examples when using the ISNUMBER function in Excel.

Good luck!