How to Use the LINEST Function in WPS on Windows

This how-to guide includes 4 operation topics, all available directly in WPS Spreadsheet; choose a topic from the index and follow the entry path and steps to complete it.

How-to Index

How-to Guide

1. Enter the LINEST function

Entry path: Formulas tab → formula bar

1. Open WPS Spreadsheet and go to the workbook where you want to calculate results.
2. Select the cell where the result should appear.
3. Enter = to start a formula.
4. Type LINEST( to view the function prompt.
5. Continue entering the required data range and confirm the formula.

Success Criteria

• Interface result: The cell or formula bar shows a LINEST formula.
• Next action available: You can continue adding arguments and press Enter to calculate the result.

Tips While Using

• Common mistake: If you do not start with =, the function will not be calculated as a formula.
• Environment note: You need to enter the formula in an editable worksheet cell.

2. Fill in function arguments with prompts

Entry path: function prompt in the formula bar

1. After typing LINEST(, review the syntax prompt that appears.
2. Enter the required arguments in order.
3. Check that brackets, separators, and referenced ranges are complete.
4. Press Enter to confirm the calculation.

Success Criteria

• Interface result: The formula syntax is complete, with no missing brackets.
• Next action available: The cell returns a result or is ready for further argument changes.

Tips While Using

• Common mistake: If the number or order of arguments is incorrect, the result may return an error.
• Environment note: Referenced ranges should match the calculation you want to perform.

3. Use cross-sheet references

Entry path: formula bar → select a data range on another worksheet

1. Enter =LINEST( in the target cell.
2. Switch to another worksheet that contains the source data.
3. Select the data range that should be included in the calculation.
4. Return to the current worksheet and complete the remaining arguments.
5. Press Enter to finish the calculation.

Success Criteria

• Interface result: The formula includes a reference to another worksheet.
• Next action available: You can still adjust the referenced range or edit arguments.

Tips While Using

• Common mistake: After switching worksheets, leaving brackets incomplete can make the formula invalid.
• Environment note: The referenced worksheet needs to remain in the current workbook.

4. Review recalculated results

Entry path: result cell that already contains LINEST

1. Finish entering the LINEST formula and get a result.
2. Change the content of a referenced data cell.
3. Review whether the result cell updates after the data changes.
4. If needed, continue adjusting the original data to confirm the update.

Success Criteria

• Interface result: The result cell updates when referenced data changes.
• Next action available: You can keep adjusting data and reviewing updated results.

Tips While Using

• Common mistake: If the referenced range is incorrect, the updated result may still not match expectations.
• Environment note: Make sure the formula references a valid data range.