The Song Dynasty: Innovation Before the Modern World — Fexingo History

The Song Dynasty's Lost Mathematician: Qin Jiushao's Mathematical Treatise in Nine Sections

5 min · 8 de jun de 2026
Portada del episodio The Song Dynasty's Lost Mathematician: Qin Jiushao's Mathematical Treatise in Nine Sections

Descripción

In this episode, Lucas and Luna explore the life and work of Qin Jiushao, a 13th-century Song mathematician who wrote the 'Mathematical Treatise in Nine Sections' (Shu Shu Jiu Zhang). Qin developed the Chinese remainder theorem for solving systems of congruences and Horner's method for polynomial equations centuries before European mathematicians. They discuss his controversial career as a military official during the Mongol invasions, his innovations like the tian yuan shu (method of the celestial unknown), and how Song mathematics blended practical problems from astronomy, trade, and engineering with abstract theory. The episode also touches on the social status of mathematicians in Song China, the role of the civil service exams, and how Qin's work was preserved despite the fall of the Song dynasty. Discover a lost genius whose insights anticipated modern algebra. #QinJiushao #ShuShuJiuZhang #SongMathematics #ChineseRemainderTheorem #HornerMethod #TianYuanShu #SongDynasty #AncientMath #AlgebraHistory #MongolInvasions #13thCentury #ChineseHistory #FexingoHistory #History #Mathematics #ScienceHistory #EastAsia #LostGenius Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

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