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