How to Use the LINEST Function in WPS on Windows

Last updated:July 20, 2026

This how-to guide includes 3 topics for using LINEST, covering function entry, argument completion with syntax hints, and result troubleshooting with recalculation; 3 topics are available without membership and 0 are membership-related.

How-to Index

How-to Guide

1. Enter the LINEST function

Entry point: Sheets window → target cell → formula bar

  1. Open WPS Sheets and select the cell where you want to display the result.
  2. Type the = sign in the formula bar or directly in the cell.
  3. Continue by typing LINEST(.
  4. Confirm that the function name is active and ready for argument input.

Success Criteria

  • UI state: =LINEST( is visible in the cell or formula bar.
  • Next actions: You can continue entering known data ranges and other arguments.

Tips While Using

  • Common mistakes: If you do not start with =, the content may be treated as plain text.
  • Environment limits: You need to work in an editable spreadsheet cell.

2. Fill in arguments with syntax hints

Entry point: the function editing state after typing =LINEST(

  1. After entering LINEST(, review the syntax hint shown on screen.
  2. Select or enter the known data arguments first.
  3. Add other arguments as needed, and confirm that parentheses, separators, and argument count are correct.
  4. Press Enter to complete the formula.

Success Criteria

  • UI state: The full formula is entered in the cell.
  • Next actions: After you press Enter, you can review the returned result or continue editing the formula.

Tips While Using

  • Common mistakes: Unmatched parentheses or missing separators between arguments can cause formula errors.
  • Environment limits: Referenced ranges should match your calculation needs.

3. Troubleshoot incorrect results and recalculate

Entry point: the result cell that already contains LINEST

  1. If the result shows an error, first check whether the formula syntax is correct.
  2. Review referenced cells for text-formatted numbers or data that does not fit the formula requirements.
  3. Check for circular references or incorrect argument ranges.
  4. If needed, press F9 to recalculate and review the updated result.

Success Criteria

  • UI state: The error message is gone, or the result has been updated.
  • Next actions: You can continue analyzing the result, adjusting arguments, or copying the formula.

Tips While Using

  • Common mistakes: Treating text as numbers can cause incorrect results.
  • Environment limits: F9 recalculation applies to the current open calculation environment.