How to Use the ISNUMBER Function in WPS on Windows

This section includes 3 how-to topics for ISNUMBER in WPS Spreadsheet, and all 3 are available without membership.

How-to Index

How-to Guide

1. Insert ISNUMBER from the Insert Function dialog

Entry path: Formulas tab → Insert Function

1. Open WPS Spreadsheet and select the cell where you want the result.
2. Click the fx button in the formula bar, or click Insert Function on the Formulas tab.
3. Search for ISNUMBER in the dialog box.
4. Select the function and click OK.
5. Enter the value or cell reference that you want to test.
6. Click OK to insert the formula.

Success Criteria

• The selected cell now contains an ISNUMBER formula.
• The result is TRUE for numeric input and FALSE for non-numeric input.
• The formula can be copied to other cells if needed.

Tips While Using

• Search with the English function name ISNUMBER.
• If the referenced value is a text-formatted number, the result may be FALSE.

2. Type the ISNUMBER formula directly in a cell

Entry path: target cell or formula bar

1. Select the cell where you want to display the result.
2. Type =ISNUMBER(...) directly.
3. Enter the value, cell reference, or formula result inside the parentheses.
4. Press Enter to confirm.
5. Drag the fill handle if you want to apply the formula to more cells.

Success Criteria

• The cell immediately shows TRUE or FALSE.
• Copied formulas continue to evaluate other cells based on their references.

Tips While Using

• Use standard formula punctuation when entering parameters.
• If the result is unexpected, check whether the source value is stored as text.

3. Review ISNUMBER syntax and parameter details

Entry path: Formulas tab → Insert Function

1. Click Insert Function on the Formulas tab.
2. Search for ISNUMBER.
3. Select the function to review its syntax and parameter description.
4. If a help link is available in the dialog, open it for more details.
5. Return to the worksheet and adjust the formula as needed.

Success Criteria

• You can see the function name, parameter structure, and usage notes.
• You can use that information to correct references or formula structure.

Tips While Using

• Syntax details are useful when a formula returns an error or an unexpected result.
• You can also combine ISNUMBER with IF, TRIM, or CLEAN when working with mixed data.