FORECAST in WPS on Windows FAQ

Last updated:July 20, 2026

When using FORECAST, the most common questions involve formula errors, argument entry, and result checking; this FAQ includes 4 common questions and a 4-term glossary.

FAQ

What should I do if the FORECAST function shows an error?

  1. Check whether the formula starts with =.
  2. Check whether the parentheses are paired correctly and the separators are correct.
  3. Confirm that the number of arguments and referenced ranges match the formula requirements.
  4. Press Enter again after correcting the formula.

How can I view the argument guidance for the FORECAST function?

  1. Select the target cell and type =FORECAST(.
  2. Look for the syntax guidance near the formula editing area.
  3. Follow the prompt to enter the arguments and complete the formula.

Why does the calculation result-look-incorrect?

  1. Check whether the referenced cells contain numbers stored as text.
  2. Check whether the known x and y data ranges match each other correctly.
  3. Confirm that the formula is not pointing to the wrong worksheet or range.
  4. Change the data again and see whether the result updates.

Can FORECAST be used together with other functions?

  1. Yes. You can enter other functions in the same formula to create nested calculations.
  2. Confirm that the inner function returns a value that can be used as a FORECAST argument.
  3. Press Enter to review the final result.

Glossary

TermDefinition
FORECASTA forecasting function used to calculate the predicted y-value for a specified x from existing data.
Syntax guidanceThe parameter hint shown after you type a function name, helping you complete the formula more quickly.
Cross-sheet referenceA reference to a cell or range located on another worksheet.
Nested calculationA calculation structure that uses one function inside another formula.