This was fixed in gnome-calculator 3.18.3 which is available in Ubuntu 16.04 LTS.
I was unable to duplicate this bug in Ubuntu 14.04 LTS. ** Changed in: gnome-calculator (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1517991 Title: Arithmetical errors To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-calculator/+bug/1517991/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs