This FAQ covers 4 common questions about formula entry, argument understanding, unexpected results, and recalculation checks for MIRR in WPS on Windows.
FAQ
What should I do if the MIRR function returns an error?
- Check whether the formula starts with
=. - Make sure the parentheses are complete and the separators are correct.
- Confirm that the cash flow values, finance rate, and reinvestment rate are all included.
- If needed, re-enter
MIRR(and follow the syntax prompt.
How can I view the MIRR function arguments?
- Select the target cell.
- Type
=MIRR(. - Review the syntax prompt that appears during formula entry.
- Enter the arguments in the displayed order and complete the calculation.
Why is my MIRR result not correct?
- Check whether the cash flow range includes both negative and positive values.
- Confirm that the cash flows are arranged in the actual sequence of occurrence.
- Check for text-formatted numbers or incorrect references in the referenced cells.
- After editing the data, review whether the result updates.
Why does the result not change after I edit the data?
- Confirm that the formula still references the correct range.
- Check whether the edited data is actually part of the MIRR calculation.
- Select the formula cell again and make sure the arguments were not replaced with fixed values.
- If necessary, re-enter the formula and test again.
Glossary
| Term | Definition |
|---|---|
| MIRR | Modified internal rate of return, used to evaluate periodic cash flows with separate finance and reinvestment rates. |
| Cash flow | The incoming and outgoing amounts across periods that form the basis of MIRR calculation. |
| Finance rate | The rate used to represent the cost of invested funds. |
| Reinvestment rate | The rate used for reinvesting positive cash flows. |