[issue31435] Addition giving incorrect result in certain circumstances

R. David Murray added the comment: https://docs.python.org/3/tutorial/floatingpoint.html -- nosy: +r.david.murray ___ Python tracker ___

[issue31435] Addition giving incorrect result in certain circumstances

Stefan Krah added the comment: Pythons has binary floating point, which does not give the same results as a pocket calculator. You can see the differences by using the decimal module: # These are the binary floats in exact decimal representation. >>> Decimal(7.95) Decimal('7.950177

[issue31435] Addition giving incorrect result in certain circumstances

New submission from Aodhán Collins: Basic addition is dropping a tiny fraction when adding together certain numbers. We have discovered that when adding together the numbers 8.95 and 0.95 we get an incorrect answer, that is off by a tiny fraction. This doesn't occur when adding 7.95 and 0.95 b