TEXT
al-Risālah al-watr wa-al-jayb
| Title (arabic) |
الرسالة الوتر والجيب
|
| Title (translit) |
al-Risālah al-watr wa-al-jayb
|
| Author |
|
| Language |
Arabic
|
| Subject |
|
| Notes |
In his Miftāḥ al-ḥisāb, Kāšī lists this treatise on the chord and sine among this compositions. In the work Kāšī calculates the value of sin 1° to ten sexagesimal places. |
| ismi_id |
500123
|
Literature References
Rozenfeld, Boris, and Ekmeleddin İhsanoğlu. 2003. Mathematicians, Astronomers and Other Scholars of Islamic Civilisation and Their Works (7th-19th c.). Istanbul: Research Centre for Islamic History, Art, and Culture.
P. 270 (no. 802), M4.
Youschkevitch, A. P., and B. A. Rosenfeld. 1973. “Al-Kāshī”. In Dictionary of Scientific Biography, 7:255-62. New York: Charles Scribner’s Sons.
Khalifa, Hajji. 1835. Hajji Khalifa. Kashf Al-ẓunūn ʿan asāmī Al-Kutub waʾl-funūn = Lexicon Bibliographicum Et Encyclopaedicum a Mustafa Ben Abdallah Katib Jelebi Dicto Et Nomine Haji Khalfa Celebrato Compositum. Ed. Gustav Flügel. 7 vol. Leipzig-London: R. Bentley for the Oriental Translation Fund of Great Britain and Ireland.
3:452 (no. 6406).