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A board for Napier's location arithmetic, as described in Napier's "Rabdology" (rabdologia), published 1617. It multiplies binary numbers!
This is episode 80 of my video series about old calculating devices.
End song inspired by "Hotter than a Molotov" by The Coup. • The Coup: Hotter Than ...
Chris Staecker webpage with location board free PDF download: faculty.fairfi...
Chris Staecker shop with location board poster for purchase: chris-staecker...