Created attachment 167037 [details] LibreOffice Calc calculation error In the first Cell (A1) enter '2' in cell A2, enter "=A1-0.1" Drag A2 to estimate A3, A4, A5... and so on Result: A21=-6,38378239159465E-16 instead of 0 (Reproducible with Microsoft Excel)
https://wiki.documentfoundation.org/Faq/Calc/Accuracy
Ok, Thanks!