Jamshid al-Kashi

E353270

Jamshid al-Kashi was a prominent 15th-century Persian mathematician and astronomer renowned for his advances in numerical methods, precise astronomical calculations, and early use of decimal fractions.

All labels observed (5)

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf Persian astronomer
Persian mathematician
astronomer
mathematician
person
alternateName Ghiyath al-Din Jamshid al-Kashi
linked to: Jamshid al-Kashi

Ghyath al-Din Jamshid ibn Masʿud al-Kashi
linked to: Jamshid al-Kashi

al-Kāshī
linked to: Jamshid al-Kashi
birthPlace Kashan
Persia
Timurid Empire
linked to: Timurid dynasty
countryOfCitizenship Timurid Empire
linked to: Timurid dynasty
employer Ulugh Beg
era 15th century
ethnicGroup Persians
familyName al-Kashi
linked to: Jamshid al-Kashi
fieldOfWork arithmetic
astronomy
mathematics
numerical analysis
trigonometry
givenName Jamshid
influenced early modern European mathematicians
later Islamic mathematicians
influencedBy Islamic mathematicians
Nasir al-Din al-Tusi
knownFor advances in numerical methods
development of iterative methods
early use of decimal fractions
high-precision computation of pi
precise astronomical calculations
systematic treatment of arithmetic in Islamicate mathematics
work on trigonometric tables
memberOf Samarkand observatory
notableAchievement computed pi to many sexagesimal places
constructed accurate sine tables
developed methods similar to Horner’s method
gave algorithms equivalent to modern decimal fractions
provided detailed rules for operations with decimal fractions
notableWork Key to Arithmetic
Miftah al-Hisab
Nihayat al-idrak fi dirayat al-aflak
Risala al-Muhitiyya
Sullam al-Sama
The Ultimate Understanding of the Knowledge of the Heavens
Treatise on the Circumference
occupation scholar
religion Islam
studentOf Qadi Zada al-Rumi
workLocation Samarkand

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Islamic mathematics majorFigure Jamshid al-Kashi
Ulugh Beg Observatory operator Ghiyath al-Din Jamshid al-Kashi
subject linked to: Ulugh Beg observatory
linked to: Jamshid al-Kashi
Qadi Zada al-Rumi influenced Ghiyath al-Din Jamshid al-Kashi
linked to: Jamshid al-Kashi
Qadi Zada al-Rumi taught Ghiyath al-Din Jamshid al-Kashi
linked to: Jamshid al-Kashi
Jamshid al-Kashi familyName al-Kashi
linked to: Jamshid al-Kashi
Jamshid al-Kashi alternateName Ghiyath al-Din Jamshid al-Kashi
linked to: Jamshid al-Kashi
Jamshid al-Kashi alternateName Ghyath al-Din Jamshid ibn Masʿud al-Kashi
linked to: Jamshid al-Kashi
Jamshid al-Kashi alternateName al-Kāshī
linked to: Jamshid al-Kashi