Qin Jiushao

mathematician of Southern Song dynasty, wrote Shu shu jiu zhang (1247)
Person human Q565225
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Qin Jiushao

Summary

Qin Jiushao is a human[1]. Born in Anyue County[2], he… he was born on +1208-00-00T00:00:00Z[3]. He passed away in Meizhou[4]. He died on +1261-00-00T00:00:00Z[5]. He worked as a mathematician[6] and meteorologist[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (52 views/month, #7,270 of 1,000,298).[8]

Key Facts

  • Born in Anyue County[2], Qin Jiushao…
  • Qin Jiushao died in Meizhou[4].
  • Qin Jiushao was born on +1208-00-00T00:00:00Z[3].
  • Qin Jiushao was born on +1202-01-01T00:00:00Z[9].
  • Qin Jiushao died on +1261-00-00T00:00:00Z[5].
  • Qin Jiushao's father was Qin Jiyou[10].
  • Qin Jiushao held citizenship in Southern Song dynasty[11].
  • Qin Jiushao's professions included mathematician[6].
  • Qin Jiushao worked as a meteorologist[7].
  • Qin Jiushao's field of work was number theory[12].
  • Qin Jiushao's field of work was irrational number[13].
  • Qin Jiushao's field of work was astronomy[14].
  • Qin Jiushao's field of work was musicology[15].
  • A notable work attributed to Qin Jiushao is Mathematical Treatise in Nine Sections[16].
  • Qin Jiushao is recorded as male[17].
  • Qin Jiushao's instance of is recorded as human[18].
  • Qin Jiushao's ancestral home is recorded as Anyue[19].
  • Qin Jiushao's Commons category is recorded as Qin Jiushao[20].
  • Qin Jiushao's family name is recorded as Qin[21].
  • Qin Jiushao's described by source is recorded as Encyclopedia of China[22].
  • Qin Jiushao's languages spoken, written or signed is recorded as Chinese[23].
  • Qin Jiushao's birth name is recorded as {'lang': 'zh', 'text': '秦九韶'}[24].
  • Qin Jiushao's name in native language is recorded as {'lang': 'zh', 'text': '秦九韶'}[25].
  • Qin Jiushao's courtesy name is recorded as 道古[26].
  • Qin Jiushao's maintained by WikiProject is recorded as WikiProject Mathematics[27].

Body

Origins and Family

Qin Jiushao was born in Anyue County[2]. Recorded date of birth include +1208-00-00T00:00:00Z[3] and +1202-01-01T00:00:00Z[9]. His father was Qin Jiyou[10].

Career and Affiliations

Recorded occupations include mathematician[6] and meteorologist[7]. Fields of work include number theory[12], a branch of mathematics[28]; irrational number[13], a type of number[29]; astronomy[14], a branch of science[30]; and musicology[15], an academic discipline[31].

Works and Contributions

A notable work attributed to Qin Jiushao is Mathematical Treatise in Nine Sections[16].

Death and Burial

Qin Jiushao died on +1261-00-00T00:00:00Z[5]. He died in Meizhou[4].

Why It Matters

Qin Jiushao ranks in the top 0.73% of human entities by monthly Wikipedia readership (52 views/month, #7,270 of 1,000,298).[8] He has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[32] He is known by 11 alternative names across languages and contexts.[33]

Works attributed to him include Mathematical Treatise in Nine Sections[34], a version, edition or translation[35], in Southern Song dynasty[36], written by him[37].

FAQs

Where was Qin Jiushao born?

Born in Anyue County[2], Qin Jiushao…

Where did Qin Jiushao die?

Qin Jiushao died in Meizhou[4].

Who were Qin Jiushao's parents?

Qin Jiushao's father was Qin Jiyou[10].

What did Qin Jiushao do for work?

Qin Jiushao worked as mathematician[6] and meteorologist[7].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . Dictionary of Scientific Biography. encyclopedia.com. Provenance: wikidata.org.
  3. [17] . China Biographical Database. wikidata.org.
  4. [10] . China Biographical Database. wikidata.org.
  5. [11] . China Biographical Database. wikidata.org.
  6. [18] . wikidata.org.
  7. [19] . China Biographical Database. wikidata.org.
  8. [12] . wikidata.org.
  9. [13] . wikidata.org.
  10. [14] . wikidata.org.
  11. [15] . wikidata.org.
  12. [6] . wikidata.org.
  13. [7] . Retrieved . wikidata.org.
  14. [20] . wikidata.org.
  15. [3] . Shanghai Library Open Data Platform. Retrieved . wikidata.org.
  16. [9] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  17. [5] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  18. [21] . China Biographical Database. wikidata.org.
  19. [16] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . IdRef. Retrieved . wikidata.org.
  22. [24] . Virtual International Authority File. wikidata.org.
  23. [25] . Virtual International Authority File. wikidata.org.
  24. [26] . China Biographical Database. wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [34] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [35] . Wikidata. wikidata.org. → on this site
  6. [36] . Wikidata. wikidata.org. → on this site
  7. [37] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [32] . Wikidata sitelinks. wikidata.org.
  3. [33] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Qin Jiushao. Retrieved April 10, 2026, from https://4ort.xyz/entity/qin-jiushao
MLA “Qin Jiushao.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/qin-jiushao.
BibTeX @misc{4ortxyz_qin-jiushao_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Qin Jiushao}}, year = {2026}, url = {https://4ort.xyz/entity/qin-jiushao}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Qin Jiushao — https://4ort.xyz/entity/qin-jiushao (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 28d ago · RVA2869 · 2026-05-08 view diff on Wikidata ↗
    Occupation mathematician, meteorologist
    Aliases
    Instance of
    Ancestral home Anyue
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-update:0||3 */ Cleanup: remove wikimedia refs; remove redundant described-by-source ([[User:Difool/WikidataCleanup]])"
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