I have similar error, however opening top-left menu fixes it until window closing.
** Attachment added: "1.png" https://bugs.launchpad.net/ubuntu/+source/gnome-calculator/+bug/1662617/+attachment/4862341/+files/1.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1662617 Title: gnome-calculator with transparent formula entry box To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-calculator/+bug/1662617/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
