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@atzanteol @nicholas_saunders @ariaflame @dogpile -- I was the generation that grew up with calculators for the first time. I have an old National brand calculator from Japan, 1980 that I still have and it still works perfectly.
This was a tool that still needed you to understand math theory. You have to know how the numbers all work to make the calculator useful.
You simply had a super accurate "calculator" and that was all it did. Still a completely useless tool without understanding math.