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In 1416, al-Kashi wrote the Treatise on Astronomical Observational Instruments, which described a variety of different instruments, including the triquetrum and armillary sphere, the equinoctial armillary and solsticial armillary of Mo'ayyeduddin Urdi, the sine and versine instrument of Urdi, the sextant of al-Khujandi, the Fakhri sextant at ...
Persian Letters (French: Lettres persanes) is a literary work, published in 1721, by Charles de Secondat, baron de Montesquieu, recounting the experiences of two fictional Persian noblemen, Usbek and Rica, who spend several years in France under Louis XIV and the Regency.
Ghiyāth al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm Nīshābūrī [1] [3] (18 May 1048 – 4 December 1131), commonly known as Omar Khayyam (Persian: عمر خیّام), [a] was a Persian polymath, known for his contributions to mathematics, astronomy, philosophy, and poetry.
Under the influence of various Persian Empires, many languages in Central and South Asia that adopted the Arabic script use the Persian Alphabet as the basis of their writing systems. Today, extended versions of the Persian alphabet are used to write a wide variety of Indo-Iranian languages , including Kurdish , Balochi , Pashto , Urdu (from ...
Makatib (The Letters, Persian: مکاتیب) or Maktubat (مکتوبات) is the collection of letters written in Persian by Rumi to his disciples, family members, and men of state and of influence. The letters testify that Rumi kept very busy helping family members and administering a community of disciples that had grown up around them.
For example, x 2 = 40x − 4x 2 is reduced to 5x 2 = 40x. Al-muqābala is the process of bringing quantities of the same type to the same side of the equation. For example, x 2 + 14 = x + 5 is reduced to x 2 + 9 = x. The above discussion uses modern mathematical notation for the types of problems that the book discusses.
Old Persian alphabet, and proposed transcription of the Xerxes inscription, according to Georg Friedrich Grotefend. Initially published in 1815. [1] Grotefend only identified correctly eight letters among the thirty signs he had collated. [2] The decipherment of cuneiform began with the decipherment of Old Persian cuneiform between 1802 and 1836.
Muhammad ibn Musa al-Khwarizmi, a Persian scholar in the House of Wisdom in Baghdad was the founder of algebra, is along with the Greek mathematician Diophantus, known as the father of algebra. In his book The Compendious Book on Calculation by Completion and Balancing , Al-Khwarizmi deals with ways to solve for the positive roots of first and ...