How to Use the COUPNUM Function in WPS on Windows

Last updated:July 17, 2026

Use COUPNUM through 4 practical topics in WPS Spreadsheet on Windows; choose a topic from the index, then follow the entry path and steps to enter and verify the formula.

How-to Index

How-to Guide

1. Enter the COUPNUM function

Entry path: Formulas tab → formula bar

  1. Open WPS Spreadsheet and go to the worksheet where you want the result.
  2. Select the cell that should display the result.
  3. Type = and then enter COUPNUM(.
  4. Confirm that the function name is recognized.

Success Criteria

  • Interface result: =COUPNUM( appears in the cell or formula bar.
  • Next action available: You can continue entering the required arguments.

Tips While Using

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

2. Fill in arguments with prompts

Entry path: Formula bar → function argument input

  1. After COUPNUM(, enter the required arguments in order.
  2. Check the argument order with the on-screen syntax prompt.
  3. Make sure the parentheses and separators are complete.
  4. Press Enter to finish the calculation.

Success Criteria

  • Interface result: The target cell returns a calculation result.
  • Next action available: You can copy, reference, or edit the formula further.

Tips While Using

  • Common mistake: Mismatched parentheses, missing arguments, or incorrect argument order can cause incorrect results.

3. Use cross-sheet references

Entry path: Formula bar → reference cells from another worksheet

  1. Select the result cell in the current worksheet and start the COUPNUM formula.
  2. Switch to another worksheet when you need to insert an argument reference.
  3. Click the target cell to insert its reference.
  4. Complete the remaining arguments and press Enter.

Success Criteria

  • Interface result: The formula contains a reference to another worksheet.
  • Next action available: You can change the referenced cell and observe the updated result.

Tips While Using

  • Common mistake: If you leave formula entry mode while switching worksheets, the reference may not be inserted into the formula.

4. Recalculate results after data changes

Entry path: Result cell with an existing formula

  1. Find the input cells referenced by the COUPNUM formula.
  2. Change the settlement date, maturity date, or other related inputs.
  3. Check whether the result cell updates.
  4. If needed, review the formula references again.

Success Criteria

  • Interface result: The result cell updates when referenced data changes.
  • Next action available: You can continue using the result in later analysis or reporting.

Tips While Using

  • Common mistake: If input cells use the wrong format, the result may display an error or an unexpected value.