Muhammad ibn Musa al-Khwarizmi 780-850 AD The word " algebra " is taken from the title of one of his books.

Introduction. Currently, there is no holistic representation of the pedagogical system that developed in IX–XII centuries on territory Arab East and Central Asia. The reconstruction heritage will, firstly, let lay a value platform for determining coordinates development Islamic education present period; secondly, appeal to positive experience can contribute solution educational tasks modern Rus...

extended abstract 1. introduction abbasid period can be regarded as an epoch in which poetry and eulogy in persia reached maturity, i.e., in which poetry has become a means of praise and admiration (dayf, 2006, p. 565). the kings of this dynasty gathered a group of flattered eulogists and used them for political announcements (alebadi, 2006, p. 13), by allocating precious gifts of war booty to ...

This is a compilation of historical information from various sources, about the number i = √ −1. The information has been put together for students of Complex Analysis who are curious about the origins of the subject, since most books on Complex Variables have no historical information (one exception is Visual Complex Analysis, by T. Needham). A fact that is surprising to many (at least to me!)...

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Interest of scientists in both emirates samanids and Ghaznawid clearly appeared after they were able to establish a, peaceful secure country, helping by the princes Samanids sultans was a main factor emerging great among them Biruni al- Khwarizmi others prominent figures. these played huge role stages history became source scientific historical research for their future generation.