When using the RRI function, common questions usually involve formula errors, parameter understanding, unexpected results, and suitable use cases. This FAQ includes 4 common questions and a glossary.
FAQ
What should I do if the RRI function returns an error?
- Check whether the formula starts with
=. - Confirm that the function name is spelled
RRI. - Check whether the parentheses, separators, and number of arguments are complete.
- If cell references are used, confirm that the referenced cells are valid.
How can I view the parameter guidance for the RRI function?
- Select any editable cell.
- Type
=RRI(. - Review the syntax guidance shown in the editing area.
- Complete the arguments based on the prompt.
Why does the calculation result look incorrect?
- Check whether the number of periods, present value, and future value reference the correct cells.
- Confirm that the related cells contain values that can participate in calculation.
- Check for incorrect cross-sheet references or circular references.
- After changing data, confirm that the result updates as expected.
When should I use the RRI function in WPS Spreadsheet?
- Use it when you know the number of periods, present value, and future value and need to derive an equivalent rate.
- Use it in dynamic reports when the rate result needs to stay aligned with changing worksheet data.
- Use it in combined models when the rate calculation needs to work with other functions.
Glossary
| Term | Definition |
|---|---|
| RRI | A financial function used to calculate the equivalent interest rate required for an investment to grow from present value to future value over a given number of periods. |
| Present value | The amount or current value at the beginning of the calculation. |
| Future value | The amount that is expected or reached after a number of periods. |
| Cross-sheet reference | A way to use cell data from another worksheet inside the current worksheet formula. |