NYTimes article a few years ago on how car insurance companies were using such data. Tracking sudden stoos, driving at night, driving faster than 80 mph, etc.
The precession circle is 144 arc degrees sin 23.5. In an 80 year lifespan precession would move the rotation pole about .44 arc degrees or the diameter of the full moon. Any long lived astronomical observatory in ancient times would have noticed this.
RPN interpreters require very little core memory. So they were popular with computers where core memory was under ten kilobytes.
But its horrible for software engineering with multiple programmers and large codebases. Lacks structures, interfaces, modules, data abstraction that you expect in a modern language. We called it the "Chinese food" of coding- ten minutes later you had nomidea what you just coded.
A number of MIT courses were like that. You had to pass six calculus tests per course. If you were exposed to the material before, you could do this in a couple days.