How to Use the POISSON Function in WPS on Windows

Last updated:July 13, 2026

Use the POISSON function in WPS with 3 how-to topics on Windows, all available without membership; 3 free items and 0 membership-related items are included in this guide.

How-to Index

How-to Guide

1. Enter the function from the Insert Function dialog box

Entry: Formula tab → Insert Function, or the fx button in the formula bar

  1. Select the cell where you want to enter the formula.
  2. Click the fx button in the formula bar, or click Insert Function on the Formula tab.
  3. Search for POISSON in the Insert Function dialog box.
  4. Select the function and click OK.
  5. Enter each parameter in the Function Arguments dialog box.
  6. Click OK to finish inserting the function.

Success Criteria

  • The current cell contains the POISSON function.
  • You can see the function expression in the formula bar.
  • The worksheet remains ready for further editing or parameter changes.

Tips While Using

  • Search with the English function name POISSON.
  • Enter valid numbers or references for each parameter.
  • If the result looks incorrect, reopen the parameter dialog box and review the inputs.

2. Type the formula directly in a cell

Entry: worksheet cell area or formula bar

  1. Select the cell where you want to enter the formula.
  2. Type =POISSON(...) directly in the cell or in the formula bar.
  3. Press Enter to confirm.
  4. If you want to review parameter guidance, type =POISSON( and press F1 to open syntax help.

Success Criteria

  • The cell shows a calculation result or an editable function entry.
  • The full formula remains visible in the formula bar.
  • The formula takes effect after you press Enter.

Tips While Using

  • Use English commas as parameter separators.
  • If you use cell references, confirm that the referenced cells contain the correct data type.
  • If an error value appears, check for text, spaces, or invalid parameters first.

3. Review function syntax and parameter details

Entry: Formula tab → Insert Function

  1. Click Insert Function on the Formula tab.
  2. Type POISSON in the search box.
  3. Select the function to review its syntax and parameter area.
  4. Click the help link for this function to open more details.

Success Criteria

  • The POISSON function description or help entry opens.
  • You can review the syntax, parameter order, and input requirements.
  • You can return to the worksheet and continue entering the formula.

Tips While Using

  • Online help may require an internet connection.
  • After reviewing the description, compare each parameter with the values in your worksheet.
  • If the function does not appear in search results, confirm that you are editing a spreadsheet.