When using LOGEST, the most common questions are about formula errors, viewing syntax help, and checking unexpected results. This section covers 3 frequent questions.
FAQ
What should I do if LOGEST shows an error after I enter it?
- Check whether the formula starts with
=. - Check whether the parentheses are complete and the parameters are separated correctly.
- Confirm that the parameter types and quantity fit your calculation.
- If a syntax prompt appears, use it to revise the formula.
How can I view the LOGEST function description?
- Type
=LOGEST(in a cell or in the formula bar. - Review the syntax prompt and parameter guidance shown in the interface.
- Continue entering the formula while checking the meaning of each parameter.
Why does the LOGEST result look incorrect?
- Check whether the referenced cells contain valid numbers instead of text-formatted numbers.
- Check for incorrect references, blank ranges, or data ranges that do not match your expectation.
- If the formula is complex, review the nested parts one by one.
- After changing the source data, check whether the result updates accordingly.
Glossary
| Term | Definition |
|---|---|
| LOGEST | A spreadsheet function used for exponential regression-related calculation from known data. |
| Cross-worksheet reference | A formula that uses a data range from another worksheet. |
| Nested calculation | A formula that includes other functions or expressions inside the same calculation. |