How to Use the POISSON Function in WPS on Windows

Last updated:July 17, 2026

This guide includes 4 how-to topics for the POISSON function, with 4 free topics and 0 membership-related topics; choose a topic from the How-to Index and follow the steps.

How-to Index

How-to Guide

1. Enter the POISSON function

Entry point: Formula tab → formula bar

  1. Open WPS Spreadsheets and select the cell where you want to show the result.
  2. Enter the = sign in the formula bar or directly in the cell.
  3. Type POISSON( to start the formula.
  4. Complete the parameters as needed and press Enter.

Success Criteria

  • Interface result: The cell shows a calculation result or an editable formula.
  • What you can do next: You can continue editing parameters, copy the formula, or fill it down.

Tips While Using

  • Start the formula with the = sign.
  • Keep parentheses and parameter separators complete.

2. View the function syntax prompt

Entry point: formula bar

  1. Select the target cell.
  2. Enter =POISSON(.
  3. Check the syntax prompt that appears automatically.
  4. Review the parameter requirements and example format shown in the prompt.

Success Criteria

  • Interface result: A function syntax prompt appears near the input area.
  • What you can do next: You can continue entering parameters and complete the formula.

Tips While Using

  • If no prompt appears, check whether the function name is spelled correctly.
  • For longer formulas, edit in the formula bar so the full content is easier to review.

3. Use cross-sheet references or nested calculations

Entry point: formula bar

  1. Enter =POISSON( in the result cell.
  2. Select cells from another worksheet as parameters, or enter the references manually.
  3. Add other functions inside the parameters if you need nested calculations.
  4. Check the formula structure and press Enter.

Success Criteria

  • Interface result: The formula includes cross-sheet references or nested expressions.
  • What you can do next: You can change referenced data and observe the updated result.

Tips While Using

  • Make sure the referenced cells contain the correct data type.
  • For longer nested formulas, review the parentheses step by step.

4. Update and check calculation results

Entry point: result cell / keyboard recalculation

  1. Change the source data referenced by the formula.
  2. Check whether the result cell updates automatically.
  3. If needed, press F9 to recalculate manually.
  4. Compare the result with your expectation and check for reference or formatting issues.

Success Criteria

  • Interface result: The result updates when the source data changes.
  • What you can do next: You can continue saving, copying, or adjusting the formula.

Tips While Using

  • Numbers stored as text may affect the calculation result.
  • If the result looks incorrect, check for circular references or parameter errors.