[sheetjs]

On a side note, Excel is infuriatingly inconsistent: some operations work in a way that .1 + .2 == .3 (for example, try `=0.1+0.2=0.3`) but others fall apart (displayed as a fraction with one digit, 0.3 -> 2/7 but 0.1+0.2 -> 1/3)

[taf2]

floating point is hard. backwards compatibility is even harder

[wlievens]

For a modern spreadsheet it would not be unreasonable for a user to expect symbolic arithmetic rather than floating point error soup.