this post was submitted on 02 Sep 2024
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chapotraphouse

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[โ€“] Politically_Normal_Work_Account@hexbear.net 12 points 2 months ago* (last edited 2 months ago) (1 children)

damn i was using this literally yesterday to figure out fabric dimensions. I'm sewing something MEDIEVAL, how did ye olde people do this without a calculator thonk

[โ€“] TraschcanOfIdeology@hexbear.net 11 points 2 months ago* (last edited 2 months ago)

I think trig functions and identities have been known since Euclid, but idk if the knowledge was widespread to tailors/seamstresses and other craftspeople.