The multiplication method Russian peasants used for a thousand years
4 hours ago
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- The Russian peasant multiplication method, which involves halving one number and doubling the other, requires no multiplication table and relies only on halving, doubling, and adding.
- The method is historically ancient, traced back to Ancient Egyptian scribes around 1550 BC, not originally Russian, with the name popularized by a British journal before World War I.
- It operates on binary principles, where odd and even patterns correspond to binary digits, making it identical to the algorithm used in modern computer chips for multiplication.
- Yakov Perelman, a prolific Russian science writer, translated and highlighted this method in his book 'Entertaining Arithmetic,' emphasizing its depth and connections to broader concepts.
- The book marks the first English translation of Perelman's work, featuring 66 problems with solutions and figures, available in various formats as of 2026.