How to Use the ISERR Function in WPS on Windows

Last updated:July 13, 2026

Use ISERR with 3 how-to topics: insert it from the Insert Function dialog box, type the formula directly, or review syntax and argument details before use.

How-to Index

How-to Guide

1. Insert with the Insert Function dialog box

Entry point: Formulas tab → Insert Function

  1. Select the cell where you want to enter the formula.
  2. Click the fx button in the Formula Bar, or click Insert Function on the Formulas tab.
  3. Search for ISERR in the Insert Function dialog box.
  4. Select the function and click OK.
  5. Enter the value or expression you want to test in the Function Arguments dialog box.
  6. Click OK to insert the formula.

Success Criteria

  • Interface result: The target cell contains an ISERR formula.
  • Next action: You can continue editing the arguments and review the returned result.

Tips While Using

  • Common mistake: A misspelled function name can make the function harder to find.
  • Environment note: A WPS Spreadsheet worksheet must already be open.

2. Type the formula directly in a cell

Entry point: Cell → Formula Bar

  1. Select the cell where you want to enter the formula.
  2. Type =ISERR(...) directly in the cell or in the Formula Bar.
  3. Press Enter to confirm.
  4. To adjust the arguments, double-click the cell or edit the formula in the Formula Bar.

Success Criteria

  • Interface result: The cell shows a TRUE or FALSE result.
  • Next action: You can copy the formula to other cells.

Tips While Using

  • Common mistake: Missing the equal sign, parentheses, or arguments can prevent the formula from calculating correctly.
  • Environment note: The argument separator should match your current spreadsheet locale.

3. Review function syntax and argument details

Entry point: Formulas tab → Insert Function

  1. Click Insert Function on the Formulas tab.
  2. Enter ISERR in the search box.
  3. Select the function to review its syntax and argument details.
  4. If a help entry is available, open it to read more detailed guidance.

Success Criteria

  • Interface result: You can see the ISERR function name, syntax, or argument area.
  • Next action: You can insert the function or revise an existing formula based on the guidance.

Tips While Using

  • Common mistake: Confusing error-testing functions with other logical functions.
  • Environment note: Online help or external help entries may require internet access.