How to Use the FORECAST Function in WPS on Windows

Use FORECAST through 4 how-to topics, all available without membership; start from the How-to Index, then enter the formula, complete the arguments, and check the updated result.

How-to Index

How-to Guide

1. Enter the FORECAST function

Entry point: Formulas tab → formula bar

1. Open WPS Spreadsheets and select the cell where you want the result to appear.
2. Type = in the cell or in the formula bar.
3. Continue by typing FORECAST(.
4. Get ready to enter the required arguments.

Success Criteria

• Interface result: The selected cell enters formula editing mode.
• Next action available: You can continue entering arguments and complete the formula.

Tips While Using

• Common mistake: If you do not start with =, the content may be treated as plain text.

2. View syntax guidance and fill in arguments

Entry point: Automatic guidance after typing the function name

1. After typing FORECAST(, look at the syntax guidance that appears.
2. Enter the required arguments in the prompted order.
3. Check that parentheses, separators, and referenced ranges are complete.
4. Press Enter to confirm the formula.

Success Criteria

• Interface result: The cell shows a calculated result instead of an unfinished formula.
• Next action available: You can select the cell again to review or edit the formula.

Tips While Using

• Common mistake: Missing arguments, unclosed parentheses, or incorrect separators can cause formula errors.

3. Use cross-sheet references and nested calculations

Entry point: Formula bar → switch worksheets or continue entering another function

1. While editing FORECAST arguments, switch to another worksheet and select the needed data range.
2. Return to the current cell and confirm that the reference has been inserted into the formula.
3. If needed, enter another function inside the arguments to build a nested formula.
4. Press Enter to complete the formula.

Success Criteria

• Interface result: The formula contains another worksheet reference or a nested function structure.
• Next action available: You can modify referenced data and continue observing result changes.

Tips While Using

• Common mistake: Inconsistent cross-sheet ranges can lead to unexpected results.

4. Check automatic recalculation results

Entry point: Edit the referenced data range

1. Find the original data cells referenced by the FORECAST formula.
2. Change one or more values in that source data.
3. Return to the result cell and observe the updated number.
4. If the result does not update, check whether the referenced range is correct.

Success Criteria

• Interface result: The result updates when the source data changes.
• Next action available: You can continue adjusting data and compare different forecast results.

Tips While Using

• Common mistake: Text-formatted numbers or incorrect ranges can make the result look incorrect.