Knowing when to use ISNUMBER or ISTEXT functions in Excel can be tricky. Applying the following steps will help you answer your question:

1. Identify if the information you are evaluating is a number or text
2. Depending on whether the value is a number or text, select the appropriate function.
• For a number, use the ISNUMBER() function.
• For text, use the ISTEXT() function.
3. Enter the function in the cell the same way you would enter any other formula.