I created a custom shortcut in Keyboard->Shortcuts and set it opens qalculator app. Then I assigned to it the keyboard Calculator key. Ubuntu asked me if I want to replace the original app and ...
This is the error I get every time I try installing calculator lens yash@yash-desktop:~$ sudo add-apt-repository ppa:scopes-packagers/ppa [sudo] password for yash: Sorry, try again. [sudo] password ...