LOG10
Quirk foundCategory: Math and trigonometry · Last tested 2026-07-04
Support matrix
| Engine | Documented | Live-tested | Verdict |
|---|---|---|---|
| Excel | Yes | Not yet | n/a |
| Google Sheets | Yes | Not yet | n/a |
| LibreOffice Calc | Yes | Yes (24.2.7.2, 2026-07-04) | Quirk found |
Discovered quirks
- =LOG10(0) on LibreOffice Calc returned #VALUE!, but the documented/expected result is #NUM!. MISMATCH vs expected: expected '#NUM!', got '#VALUE!'
- =LOG10(-5) on LibreOffice Calc returned #VALUE!, but the documented/expected result is #NUM!. MISMATCH vs expected: expected '#NUM!', got '#VALUE!'
Executed test cases
LibreOffice Calc 24.2.7.2 (tested 2026-07-04)
| Formula | Description | Result | Expected | Verdict |
|---|---|---|---|---|
| =LOG10(1000) | Base-10 log of 1000 | 3 | 3 | Matched |
| =LOG10(1) | Base-10 log of 1 is 0 | 0 | 0 | Matched |
| =LOG10(0) | Zero is outside LOG10's domain -> #NUM! | #VALUE! | #NUM! | Mismatch |
| =LOG10(-5) | Negative numbers are outside LOG10's domain -> #NUM! | #VALUE! | #NUM! | Mismatch |
Docs & syntax
- Excel: official documentation
- Google Sheets: official documentation
- LibreOffice Calc: official documentation