# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/qin-jiushao
# Generated: 2026-08-14T17:44:35.038Z

schema: https://schema.org/Person
url: "https://fame.am/person/qin-jiushao"
name: "Qin Jiushao"
slug: "qin-jiushao"
description: "Qin Jiushao, courtesy name Daogu (道古), was a Chinese mathematician, meteorologist, inventor, politician, and writer of the Southern Song dynasty. He is credited for discovering Horner's method as well as inventing Tianchi basins, a type of rain gauge instrument used to gather meteorological data."
tagline: "Mathematician of Southern Song dynasty, wrote Shu shu jiu zhang (1247)"
image: "https://upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Third_order_equation-Shu-shu-jiu-zhang.jpg/330px-Third_order_equation-Shu-shu-jiu-zhang.jpg"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1208"
deathDate: "1261"
livingStatus: "DECEASED"
scores:
  popularity:           50.41
  momentum:             0
  historical:           19.96864933333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E7%A7%A6%E4%B9%9D%E9%9F%B6"
    title: "秦九韶"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AA%D8%B4%D9%8A%D9%86_%D8%AC%D9%8A%D9%88%D8%B4%D8%A7%D9%88"
    title: "تشين جيوشاو"
    type:  "WIKIPEDIA"
  - url: "https://be.wikipedia.org/wiki/%D0%A6%D1%8B%D0%BD%D1%8C_%D0%A6%D0%B7%D1%8E%D1%88%D0%B0%D0%B0"
    title: "Цынь Цзюшаа"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/%C4%8Cchin_%C5%A4iou-%C5%A1ao"
    title: "Čchin Ťiou-šao"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E7%A7%A6%E4%B9%9D%E9%9F%B6"
    title: "秦九韶"
    type:  "WIKIPEDIA"
  - url: "https://kw.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://nn.wikipedia.org/wiki/Chin_Ch'iu-shao"
    title: "Chin Ch'iu-shao"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A6%D0%B8%D0%BD%D1%8C_%D0%A6%D0%B7%D1%8E%D1%88%D0%B0%D0%BE"
    title: "Цинь Цзюшао"
    type:  "WIKIPEDIA"
  - url: "https://simple.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/%C4%8Cin_D%C5%BEju%C5%A1ao"
    title: "Čin Džjušao"
    type:  "WIKIPEDIA"
  - url: "https://tr.wikipedia.org/wiki/Qin_Jiushao"
    title: "Qin Jiushao"
    type:  "WIKIPEDIA"
  - url: "https://tt.wikipedia.org/wiki/%D0%A6%D0%B8%D0%BD%D1%8C_%D0%A6%D0%B7%D1%8E%D1%88%D0%B0%D0%BE"
    title: "Цинь Цзюшао"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%A6%D1%96%D0%BD%D1%8C_%D0%A6%D0%B7%D1%8E%D1%88%D0%B0%D0%BE"
    title: "Цінь Цзюшао"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q565225"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump