On Monday, 13 Jul 2020 at 19:29, Thomas Schmitt wrote: > My first calculator still works too. It looks much like this, but yellowed > with minor stains: > http://www.stefanv.com/calculators/aristo970/index.html
:-) I remember using such a calculator for Physics in high school! Then TI brought out their SR-50 calculator and the rest is history... And then I found HP (HP-25 first followed by a whole sequence until the HP-41). Now Emacs Calc. -- Eric S Fraga via Emacs 28.0.50 & org 9.3.7 on Debian bullseye/sid