Marion Cousin
3 articles published in Tangente
History and CultureN°96Dec 02, 2025From wasan to yōsan in the Meiji era
The opening of Japan during the Meiji era brought changes in the way mathematics was done and written. Questions of method, but also of language, arose. Kikuchi Dairoku, the future Minister of Education of Japan, overhauled mathematics textbooks accordingly.
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History and CultureN°96Dec 02, 2025Sangaku: geometry in the temples
Sangaku are a remarkable practice, bringing together mathematics, art and spirituality. They offer a precious glimpse into the mathematics practiced during the Edo period and give a sense of how sophisticated popular mathematical culture was at the time.
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History and CultureN°96Dec 02, 2025Wasan, or the mathematics of the Edo period
Rooted in the tradition of Chinese-language treatises, the Japanese mathematics of the Edo period (wasan) is far from a pale copy: the problems and methods developed at the time display remarkable originality in the history of mathematics.
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