cross-posted from: https://lemmy.world/post/27589038
this post was submitted on 02 Jul 2025
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you've never seen anybody simplify it to 3 when doing head calcs without a phone nearby?
it doesn't happen often, in fact I've seen it once. in a decade.
The only time you should be doing head calcs as an engineer is to double check that you have a reasonable answer with the actual calcs on your actual calculator.