Hi. On Mon, Jul 13, 2020 at 03:31:10PM +0800, kaye n wrote: > Hello Friends, > Correct me if I'm wrong, but I don't see any calculator app in my Debian os. There are plenty, for all tastes. Try "apt search calculator". > What do you guys use? I'm having trouble with Galculator. bc, simple as that. Everything else requires more keystokes or a mouse. Reco