Jamshid al-Kashi

E353270

Persian astronomer Persian mathematician astronomer mathematician person

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.

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All labels observed (5)

Label	Occurrences
Ghiyath al-Din Jamshid al-Kashi	4
Ghyath al-Din Jamshid ibn Masʿud al-Kashi	1
Jamshid al-Kashi canonical	1
al-Kashi	1
al-Kāshī	1

Statements (50)

Predicate	Object
instanceOf	Persian astronomer ⓘ Persian mathematician ⓘ astronomer ⓘ mathematician ⓘ person ⓘ
alternateName	Jamshid al-Kashi ⓘ surface form: Ghiyath al-Din Jamshid al-Kashi Jamshid al-Kashi ⓘ surface form: Ghyath al-Din Jamshid ibn Masʿud al-Kashi Jamshid al-Kashi ⓘ surface form: al-Kāshī
birthPlace	Kashan ⓘ Persia ⓘ Timurid dynasty ⓘ surface form: Timurid Empire
countryOfCitizenship	Timurid dynasty ⓘ surface form: Timurid Empire
employer	Ulugh Beg ⓘ
era	15th century ⓘ
ethnicGroup	Persians ⓘ
familyName	Jamshid al-Kashi self-linksurface differs ⓘ surface form: 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	Ulugh Beg observatory ⓘ surface form: 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 ⓘ

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 → Jamshid al-Kashi ⓘ

subject surface form: Ulugh Beg Observatory

this entity surface form: Ghiyath al-Din Jamshid al-Kashi

Qadi Zada al-Rumi → influenced → Jamshid al-Kashi ⓘ

this entity surface form: Ghiyath al-Din Jamshid al-Kashi

Qadi Zada al-Rumi → taught → Jamshid al-Kashi ⓘ

this entity surface form: Ghiyath al-Din Jamshid al-Kashi

Jamshid al-Kashi → familyName → Jamshid al-Kashi self-linksurface differs ⓘ

this entity surface form: al-Kashi

Jamshid al-Kashi → alternateName → Jamshid al-Kashi ⓘ

this entity surface form: Ghiyath al-Din Jamshid al-Kashi

Jamshid al-Kashi → alternateName → Jamshid al-Kashi ⓘ

this entity surface form: Ghyath al-Din Jamshid ibn Masʿud al-Kashi

Jamshid al-Kashi → alternateName → Jamshid al-Kashi ⓘ

this entity surface form: al-Kāshī