Ghiyath al-Din Jamshid Mas'ud al-Kashi
GPTKB entity
Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematician
astronomer |
| gptkbp:birthYear |
c. 1380
|
| gptkbp:calculatedPiTo |
16 decimal places
|
| gptkbp:contributedTo |
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
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ghiyath al-Din Jamshid Mas'ud al-Kashi
|
| 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 |
7
|