About Li Rui
Lived 1768 – 1817 (aged 48). Li Rui was a Chinese mathematician, known for Descartes' rule of signs.
Li Rui (; 8 December 1768 in Suzhou – 30 June 1817 in Suzhou) was a Chinese mathematician. Li discovered independently an equivalent version of what is known today as Descartes' rule of signs.
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Important facts
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Contemporaries
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Frequently asked questions
Who was Li Rui?
Chinese mathematician (1768-1817)
When was Li Rui born?
Li Rui was born on 8 December 1768 in Suzhou.
When did Li Rui die?
Li Rui died on 30 June 1817 in Suzhou.
What was Li Rui's occupation?
Li Rui was a mathematician.
What was Li Rui known for?
Li Rui was known for Descartes' rule of signs.
What nationality was Li Rui?
Li Rui was Chinese.
Sources & further reading
· DBpedia: Li Rui (mathematician)
Cite this page
APA: Biography.guide. (2026). Li Rui. https://biography.guide/li-rui-mathematician/
MLA: "Li Rui." Biography.guide, https://biography.guide/li-rui-mathematician/.
Chicago: "Li Rui." Biography.guide. https://biography.guide/li-rui-mathematician/.
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