Created attachment 115530 [details] LibreOffice Spreadsheet While doing a calculation which should have given a zero answer, LibreOffice Calc gave me a scientific answer. The file is attached so anexpert can review it ans see what went wrong.
This isn't a bug - this is a function of integers and how they are treated in software generally (all software will have some rounding errors). Closing as NOTABUG. For this case - if you right click the cell -> Format Cells...change decimals to 1, then back to 0, it'll correctly show 0 (despite it rounding to some very tiny number).