Ghiyath al-Din Jamshid Mas'ud al-Kashi

URI: https://gptkb.org/entity/Ghiyath_al-Din_Jamshid_Mas'ud_al-Kashi
GPTKB entity
Statements (30)
Predicate Object
gptkbp:instanceOf gptkb:mathematician
gptkb:astronomer
gptkbp:birthYear c. 1380
gptkbp:calculatedPiTo 16 decimal places
gptkbp:contributedTo gptkb:astronomer
trigonometry
gptkbp:deathYear 1429
gptkbp:employer Ulugh Beg
gptkbp:era gptkb:Timurid_Empire
gptkbp:field gptkb:astronomy
gptkb:mathematics
gptkbp:hasWorkedWith gptkb:Ulugh_Beg_Observatory
gptkbp:knownFor gptkb:The_Key_to_Arithmetic_(Miftah_al-Hisab)
high-precision calculation of pi
Kashi's Theorem
Treatise on the Circumference
improvements in decimal fractions
gptkbp:language gptkb:Arabic
gptkb:Persian
gptkbp:nationality gptkb:Persian
gptkbp:placeOfBirth Kashan, Persia
gptkbp:placeOfDeath Samarkand
gptkbp:teacherOf gptkb:Ali_Qushji
gptkbp:wrote gptkb:Khaqani_Zij
Miftah al-Hisab (The Key to Arithmetic)
Sullam al-Sama (The Ladder of the Sky)
Risala al-Muhitiyya (Treatise on the Circumference)
gptkbp:bfsParent gptkb:al-Kashi
gptkbp:bfsLayer 8
https://www.w3.org/2000/01/rdf-schema#label Ghiyath al-Din Jamshid Mas'ud al-Kashi