Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematician
astronomer |
| gptkbp:birthPlace |
gptkb:Kashan
|
| gptkbp:birthYear |
c. 1380
|
| gptkbp:computes |
pi to 16 decimal places
|
| gptkbp:contributedTo |
astronomical instruments
trigonometry |
| gptkbp:deathYear |
1429
|
| gptkbp:employer |
Ulugh Beg
|
| gptkbp:hasWorkedWith |
gptkb:Ulugh_Beg_Observatory
|
| https://www.w3.org/2000/01/rdf-schema#label |
Jamshīd al-Kāshī
|
| gptkbp:influenced |
European mathematics
later Islamic mathematicians |
| gptkbp:knownFor |
astronomer
decimal fractions high-precision calculation of pi Treatise on the Circumference The Key to Arithmetic (Miftāḥ al-Ḥisāb) |
| gptkbp:language |
gptkb:Arabic
gptkb:Persian |
| gptkbp:nationality |
gptkb:Persian
|
| gptkbp:wrote |
gptkb:Khaqani_Zij
Miftāḥ al-Ḥisāb (The Key to Arithmetic) Sullam al-Samāʾ (The Stairway of Heaven) Risāla al-muḥīṭiyya (Treatise on the Circumference) |
| gptkbp:bfsParent |
gptkb:Al-Kashani
|
| gptkbp:bfsLayer |
7
|