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Há 6 dias · Ḥasan Ibn al-Haytham (Latinized as Alhazen; / æ l ˈ h æ z ən /; full name Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham أبو علي، الحسن بن الحسن بن الهيثم; c. 965 – c. 1040) was a medieval mathematician, astronomer, and physicist of the Islamic Golden Age from present-day Iraq.
Há 3 dias · The incredible contribution of the Al-Battani and Piri Reis maps was repeatedly quoted by European astronomers, which is still considered the base of astronomy. Ahmed Ibn Majid guided Vasco da Gama (a Portuguese navigator) in achieving the first sea trade route from Europe to India in the mid-15th century.
Há 4 dias · When the Arabic texts of Al-Battani and al-Khwārizmī were translated into Medieval Latin in the 12th century by Gerard of Cremona, he used the Latin equivalent sinus (which also means 'bay' or 'fold', and more specifically 'the hanging fold of a toga over the breast').
Há 6 dias · In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] [2] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.
23 de jun. de 2024 · Commissioned by a Caliph, Al-Farghani made a long journey, from his home in present-day Uzbekistan, through Iraq and finally to Egypt to add his extensive knowledge to the Nilometer - by which life on the Nile depends on. (Photo: by Mohamed Elrazzaz)
Há 6 dias · Abu Abdallah Muhammad Ibn Jabir Ibn Sinan Al-Battani Al-Harrani, connu en Occident sous le nom d’Albategnius, est considéré comme le plus grand astronome de son temps et l’un des plus grands du Moyen Âge.
18 de jun. de 2024 · al-Kāshī (born c. 1380, Kāshān, Persia [Iran]—died June 22, 1429, Samarkand, Uzbekistan) was among the greatest mathematicians and astronomers in the Islamic world. Early life. The first event known with certainty in al-Kāshī’s life is his observation of a lunar eclipse on June 2, 1406, from Kāshān.
