swan_tower | Jul. 8th, 2022

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Jul. 8th, 2022

Be honest: how much do you rely on your phone to do math for you these days? We've long had assistive devices to help us perform mathematical operations, and this week the New Worlds Patreon takes a look at some pre-electronic ones. Comment over there!

(originally posted at Swan Tower: https://is.gd/pAqd9Q)