Ancient Web: A Collector Mapped the Strange History of

Sergei Frolov's Soviet Calculators History combines a collector's hardware knowledge with the story of Russian abacuses, slide rules, electronic calculators, books, and technical literature.

https://switchboardtechservices.com/articles/ancient-web-a-collector-mapped-the-strange-history-of-soviet-calculators/

By Switchboard Tech Services · Originally published 2026-07-16

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