Biography of ibn labban family
This study deals with him through four sections.!
Kushyar ibn Labban's Principles of Hindu Reckoning.Kushyar ibn Labban
Biography
Kushyar ibn Labban was from the village of Gilan, which was situated south of the Caspian sea in Persia. He is known by several different variants of his name, which has been transliterated as Kusyan, Kushiyad, Koshar, Kusiar or Kossar.Sometimes he has been called Jabah, Halebi and al-Kiya. The name Labban, sometimes written as Labbar, was his father's name and means "lion".
Very little is known of Kushyar ibn Labban's life. There are various different claims, one of which suggests that he was a Jew, but none are substantiated.
The only fact which is certain, other than the material in his works, is that he taught al-Nasawi.
Damascene Shafi'i Egyptian, Shams al-Din Abu Abdullah known as the son of Frankincense..
From his works we know that Kushyar was primarily an astronomer who wrote texts on astronomy and geography. He produced astronomical tables and also wrote a work on the astrolabe. Most significant in terms of this archive is his work on Hindu reckoning being the earliest known work on Arabic arithmetic which deals with Hin