Al-Karaji

Persian mathematician and engineer (c. 953 – c. 1029)
Person human Q461062
Al-Karaji
en:Al-Karaji · Public Domain · Wikimedia

Facts

13 properties
Instance of
human
Sex or gender
male[9]
Date of birth
April 13, 953
Date of death
1029
Place of birth
Karaj, Karkh[1][6]
Country of citizenship
Abbasid Caliphate[7]
Notable work
Al-Fakhri[8]
Languages spoken, written or signed
Arabic[12]
Given name
Muhammad[11]
Maintained by WikiProject
WikiProject Mathematics[14]
Name in native language
بوبکر محمد بن حسن کرجیا[13]
Residence
Baghdad[10]
🏷️ Also known as
en Al-Karaji ar الكراجي ar كرخي ar أبو بكر الكرجي ar كرجي، محمد بن الحسين، da Abu Bakr al-Karaji da Al-Karaji de Al-Karaji de Al-Karadschi de Al-Karchi de Karadschi de Karchi de Muhammad al-Karadschi de Muhammad al-Karagi es Al Karaji fa ابوبکر کرجی fr Al-Karkhi ja アブ・バクル・カラジ ja アル=カラジ ja アル゠カラジ
🔖 Identifiers · 31
VIAF cluster ID
46856646
Library of Congress authority ID
n88627122
GND ID
11872083X
Bibliothèque nationale de France ID
124553811
CERL Thesaurus ID
cnp00398874
CiNii Research ID
1140845216764915840
DDB person (GND) ID
11872083X
De Agostini ID
al-Karagī
Deutsche Biographie (GND) ID
11872083X
Diamond Catalog ID for persons and organisations
20376
Show all 31 identifiers +19
Encyclopædia Britannica Online ID
biography/al-Karaji
FAST ID
1827961
Freebase ID
/m/05s9f5
IdRef ID
033714657
MR Author ID
213123
MacTutor biography ID
Al-Karaji
NACSIS-CAT author ID
DA05420309
National Library of Israel J9U ID
987007583560505171
Nationale Thesaurus voor Auteursnamen ID
079988776
SBN author ID
TO0V592446
Schoenberg Database of Manuscripts name ID
43912
TDV Encyclopedia of Islam ID
kereci
Topic's main category
Category:Al-Karaji
Treccani ID
al-karagi
WBIS ID
R37630
WorldCat Entities ID
E39PBJxRyqQq3BH38mc7m4WxDq
ZbMATH author ID
al-karaji.

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🔗 Connections
Place of birth 2
Country of citizenship 1
Given name 1
Instance of 1
Languages spoken, written or signed 1
Maintained by WikiProject 1
Named after 1
Occupation 1
Residence 1
Sex or gender 1
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Summary

Al-Karaji was born in Karaj[1]. He was born on April 13, 953[2]. He died in 1029[3]. He worked as a mathematician[4] and geologist[5].

Body

Origins and Family

Recorded place of birth include Karaj[1], a city of Iran[15], in Iran[16] and Karkh[6], a neighborhood[17], in Iraq[18].

Works and Contributions

Things named for him include binomial theorem[19], a theorem[20].

Why It Matters

Entities named for him include binomial theorem[19], a theorem[20].

FAQs

Where was Al-Karaji born?

Al-Karaji was born in Karaj[1].

What did Al-Karaji do for work?

Al-Karaji worked as mathematician[4] and geologist[5].

References

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

Direct Wikidata claims

  1. [1] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  2. [6] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  3. [9] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  6. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  7. [10] ↑ . Complete Dictionary of Scientific Biography. wikidata.org.
  8. [2] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  9. [3] ↑ . MacTutor History of Mathematics archive. Retrieved . pantheon.world. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [8] ↑ . wikidata.org.
  12. [12] ↑ . BnF authorities. Retrieved . data.bnf.fr. Provenance: wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [19] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [15] ↑ . Wikidata. wikidata.org. → on this site
  2. [16] ↑ . Wikidata. wikidata.org. → on this site
  3. [17] ↑ . Wikidata. wikidata.org. → on this site
  4. [18] ↑ . Wikidata. wikidata.org. → on this site
  5. [20] ↑ . Wikidata. wikidata.org. → on this site

📑 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). Al-Karaji. Retrieved November 2, 2026, from https://4ort.xyz/entity/al-karaji
MLA “Al-Karaji.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/al-karaji.
BibTeX @misc{4ortxyz_al-karaji_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Al-Karaji}}, year = {2026}, url = {https://4ort.xyz/entity/al-karaji}, note = {Accessed: 2026-11-02}}
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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. 29d ago · Bargioni · 2026-10-06 view diff on Wikidata ↗
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/58040|batch #58040]]: add P1810 to P396"
  2. 4w ago · Epìdosis · 2026-10-04 view diff on Wikidata ↗
    Sitelink count → 32
    SBN author ID → TO0V592446
    Wikipedia languages → ['ar', 'arz', 'az', 'bn', 'ca', 'ce', 'da', 'de', 'en', 'es', 'fa', 'fr', 'hy',
    Claims rich → —
    "/* wbcreateclaim-create:1| */ SBN author ID: TO0V592446, [[:toollabs:quickstatements/#/batch/289587|batch #289587]]"
  3. 24w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    Occupation → mathematician, geologist
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32086|batch #32086]]: import P21 and P106 from GND (28)"
  4. 25w ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Country of citizenship → Abbasid Caliphate
    Occupation → —
    Aliases → —
    Instance of → human
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30848|batch #30848]]: match CERL IDs on the basis of GND (5)"
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