ʿAbd Allāh Muḥammad ibn Muʿādh al-Jayyānī (Arabic: أبو عبد الله محمد بن معاذ الجياني; 989, Cordova, Al-Andalus – 1079, Jaén, Al-Andalus) was an Arab...

Ibn Mu'adh, meaning the son of Mu'adh, may refer to: Sa'd ibn Mu'adh: a companion of the Islamic prophet Muhammad. Ibn Muʿādh al-Jayyānī Yahya ibn Mu'adh...

by Ibn Muʿādh al-Jayyānī. The law of tangents for spherical triangles was described in the 13th century by Persian mathematician Nasir al-Din al-Tusi...

with the trigonometrical concepts introduced into al‐Andalus by the scholar Ibn Mu'adh al-Jayyani in the 11th century and developed during the next century...

(1029–1087). Spherical Trigonometry - work of Abū Abd Allāh Muḥammad ibn Muʿādh al-Jayyānī (989–1079 AD). Greatly influenced Western mathematics, including the...

drawings of geometrical cells. Jamshīd al-Kāshī's estimate of pi would not be surpassed for 180 years. Ibn Muʿādh al-Jayyānī is one of the several Islamic mathematicians...

attributed to Abu-Mahmud Khojandi, Abu al-Wafa' Buzjani, Nasir al-Din al-Tusi and Abu Nasr Mansur. Ibn Muʿādh al-Jayyānī's The book of unknown arcs of a sphere...

Abu-Mahmud Khojandi, Nasir al-Din al-Tusi and Abu Nasr Mansur, with Abu al-Wafa' Buzjani as a contributor. Ibn Muʿādh al-Jayyānī's The book of unknown arcs...

Mashallah ibn Athari. Al-Khayyat's Kitāb al-Mawālid was translated in 1136 and 1153, and was reprinted in Nuremberg in 1546. His Kitāb Sirr al-ʿamal appeared...

Dold-Samplonius, Yvonne; Hermelink, Heinrich (1970). "Al-Jayyānī, Abū'Abd Allāh Muḥammad Ibn Mu'ādh". Complete Dictionary of Scientific Biography. Encyclopedia...