Using Ten’s Complement to Represent Negative Numbers

A look at how mechanical computation devices deal with negative numbers

Odhner Arithmometer - Pinwheel calculator invented in Russia in 1873
Odhner Arithmometer — Pinwheel calculator invented in Russia in 1873

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Erik Engheim

Erik Engheim

11.5K Followers

Geek dad, living in Oslo, Norway with passion for UX, Julia programming, science, teaching, reading and writing.