Using the latest version of kcalc code and overwriting the changes then the problem was solved. A patch file for 19.12.3 to 19.12.4 is provided
** Patch added: "19.12.3-19.12.4.patch" https://bugs.launchpad.net/ubuntu/+source/kcalc/+bug/1917289/+attachment/5476272/+files/19.12.3-19.12.4.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917289 Title: kcalc loosing values To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kcalc/+bug/1917289/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs