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Kokon sanpoki
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Kokon sanpoki

work by Kazuyuki
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The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  EncyclopƦdia Britannica, and create and manage the relationships between them.

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • Counting boards and markers, or counting rods, were used in China to solve systems of linear equations. This is an example from the 1st century ce.
    East Asian mathematics
    / The elaboration of Chinese methods

    Sawaguchi Kazuyuki’s Kokon sanpoki (1671; ā€œAncient and Modern Mathematicsā€) pointed out that ā€œerroneousā€ problems could have more than one solution (in other words, equations could have more than one root), but he left unanswered difficult problems involving simultaneous equations of the nth degree. Equations for their solution…

    Read More

    Sawaguchi Kazuyuki’s Kokon sanpoki (1671; ā€œAncient and Modern Mathematicsā€) pointed out that ā€œerroneousā€ problems could have more than one solution (in other words, equations could have more than one root), but he left unanswered difficult problems involving simultaneous equations of the nth degree. Equations for their solution…

    Read More