Tag: HP-15C

SwissMicros – Keeping the iconic HP RPN calculators alive

If you have been an engineer (or similar) since the 80s or 90s, it is almost certain you owned a scientific programmable calculator. Funny as it is, I am not among them. However, I remember a friend who had an HP-41CV, and one day he showed me a game running it. It was a lunar lander game where you could…