After removing and reinstalling qalculate the problem stopped, I mark the bug as invalid and hope that it will not happen again.
** Changed in: qalculate-kde (Ubuntu) Status: New => Invalid -- In some circonstances, the '-' sign is replaced by a '+' sign https://bugs.launchpad.net/bugs/153581 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs