GNOME Bugzilla – Bug 714990
Calculator has some issues with precision...
Last modified: 2013-11-22 03:00:11 UTC
See [1] https://mail.gnome.org/archives/gcalctool-list/2012-December/msg00001.html [2] https://mail.gnome.org/archives/gcalctool-list/2013-January/msg00000.html We should figure out how other calculator apps avoid floating point math issues.
Sorry, I just found a much better report on this.... *** This bug has been marked as a duplicate of bug 698400 ***