We can’t do things today that were done WITH COMPUTERS that were done with SLIDE RULES in the 1960’s!!
We have become more stupid,, leaving the thinking to machines.
(I would bet a dollar to a doughnut, that if you presented a slide rule and manual to any kid these days, they would turn to their whizbang phone, first, before asking you about it, to figure out this strange sliding piece of plastic!))
American industries and associated regulatory agencies have become one giant Dunning-Kruger experience that won’t stop.
Several aluminum versions got me through the doctoral program in biophysics. One even had a magnifying cursor. Before
I resigned to start a small company, HR would rarely send a prospective hire past me to be vetted. Most of the engineering grads were intrigued as hell by the slip sticks I had on the desk top. Most never saw the circular versions.