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天元術

From Wiktionary, the free dictionary

Japanese

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Kanji in this term
てん
Grade: 1
げん
Grade: 2
じゅつ
Grade: 5
on'yomi
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Etymology

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Literally "method of the heavenly element", in which the heavenly elements is the unknown variable, usually written x in modern notation.

Noun

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(てん)(げん)(じゅつ) (tengenjutsu

  1. (mathematics) A Chinese system of algebra for polynomial equations created in 13th century

See also

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