On Mon, 13 Jul 2020 09:51:53 +0200 "Gian Uberto Lauri" <saint@eng.it> wrote: > Either my trusty old HP48 or Emacs Calc. Both RPN machines. Or perhaps any one of several HP calculator emulators available on Debian. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/