Tag: Al-battani


Muslim Founders of Mathematics

by FSTC Published on: 30th October 2013

The 7th to the 13th century was the golden age of Muslim learning. In mathematics they contributed and invented the present arithmetical decimal system and the fundamental operations connected with it addition, subtraction, multiplication, division,…


Sine, Cosine and the Measurement of the Earth

by Mahbub Ghani Published on: 2nd February 2007

Mathematics has long been an area of expertise amongst Muslim mathematicians. This article considers the contributions of Al-Tusi and Al-Battani and others in trigonometry, focusing upon the progress their discoveries represented in comparison with the…



by The Editorial Team Published on: 22nd February 2005

Harran is a very old town situated in the Jazira province of modern Turkey near the sources of the Balkh River. Badly effected by the Crusades, it nevertheless had its production of scientists that are…


The impact of Al-Battani on European Astronomy

by FSTC Published on: 27th December 2001

Al-Battani used the widest variety of instruments: astrolabes, tubes, a gnomon divided into twelve parts, a celestial globe with five armillaries, parallax rules, a mural quadrant, sundials, vertical as well as horizontal.


An overview of Muslim Astronomers

by Salah Zaimeche Published on: 26th December 2001

Al-Battani discovered the notions of trigonometrical ratios used today. Al-Biruni claimed the earth rotated around its own axis. Jabir Ibn Aflah made the first portable celestial sphere to measure and explain the movements of celestial…