Saturday, October 22, 2011

Seki Kowa's Essentials of Mathematics

These are two pages from volume one of Seki Kowa’s (1642-1708) Katsuyo sampo [Essentials of Mathematics]. These pages show the table employed to obtain “Bernoulli” numbers. They are given in the right column and were obtained by a technique called Ruisai Shosa-ho.

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