Ghiyāth al-Dīn Jamshīd Masʿūd al-Kāshī (or al-Kāshānī) (Persian: غیاث الدین جمشید کاشانی Ghiyās-ud-dīn Jamshīd Kāshānī) (c. 1380 Kashan, Iran – 22 June...

period. Islamic astronomers who worked at the observatory include Jamshid al-Kashi, Ali Qushji, and Ulugh Beg himself. The observatory was destroyed in...

al-'Awwam, and geography enabled Abu Zayd al-Balkhi to make accurate maps. Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī...

rather than an erasable dust board. While the Persian mathematician Jamshīd al-Kāshī claimed to have discovered decimal fractions himself in the 15th century...

O'Connor, John J.; Robertson, Edmund F. (1999). "Ghiyath al-Din Jamshid Mas'ud al-Kashi". MacTutor History of Mathematics archive. Archived from the...

developed approximations correct to eleven and then thirteen digits. Jamshīd al-Kāshī achieved sixteen digits next. Early modern mathematicians reached an...

not stated in general) by al-Khwārizmī (9th century), al-Battānī (9th century), and Nīlakaṇṭha (15th century). Jamshīd al-Kāshī, a 15th century Persian...

pdf O'Connor, John J.; Robertson, Edmund F., "Ghiyath al-Din Jamshid Mas'ud al-Kashi", MacTutor History of Mathematics Archive, University of St...

Ma'shar al-Balkhi (Albumasar) Jamshīd al-Kāshī Kamāl al-Dīn al-Fārisī Muḥyi al-Dīn al-Maghribī Mo'ayyeduddin Urdi Muhammad Baqir Yazdi Nasir al-Din al-Tusi...

scientist Ptolemy was 3;8,30 = 3 + 8/60 + 30/602 = 377/120 ≈ 3.141666.... Jamshīd al-Kāshī, a 15th-century Persian mathematician, calculated 2π as a sexagesimal...