Gamze YILDIZ200822053

*Muḥammad ibn Mūsā al-Khwārizmī

Outline

* Al-Khwarazmi’s Life* Al-Khwarazmi’s Contributions

AlgebraArithmeticAstronomyGeographyOther works• Al-Khwarazmi’s books about Mathematics, Astronomy,

Geography and History• His works about Arithmetic, Geography and Astronomy

*His actual name is Abū ʿAbdallāh Muḥammad ibn Mūsā al-Khwārizmī.

*It is considered that he was born in 780 and he was died in 850 in Baghdad.

*He was left Khorezm to learn science and he went to Baghdad. Here, he took the courses from Islamic scholars and improved oneself.

*Al-Khwārizmī was received great help and support from al-Maʾmūn who was Abbasid Caliph.

*Al-Khwārizmī worked in Baghdad as a scholar at the House of Wisdom established by Caliph al-Maʾmūn.

*Contributions

*Al-Khwārizmī determined the rules of solving first and second order equations by the analytical methods for the first time.

*He also determined the rules of solving equation with one unknown by the algebraic and geometric methods.

*In mathematics, he used the number of zero for the first time.

*For the first time, he revealed science of algebra methodical and systematic.

*He found the today’s computer science and digital electroincs which is the basis of 2(binary) number system.

*He wrote a book in 825 and this book was translated into Latin with the name of “Algoritmi de Numero Indorum”.

*Because of the fact that his name was known as “Algoritmi” in Europe, the term “Algorithm ” was derived from his name.

*He gathered the calculations belong to diameter of Earth in his book named “Kitab Surat Al-Arz”.

Al-Khwārizmī’ s Books Mathematics • El- Kitab’ul Muhtasar fi’l Hesab’il Cebri ve’l Mukabele• Kitab al-Muhtasar fil Hisab el-Hind• El-MesahatAstronomy• Zîc-ul Harezmî• Kitab al-Amal bi'l Usturlab• Kitab'ul Ruhname

Geography• Kitab surat al-arz

History• Kitab’ul Tarih

*His work in arithmetic

*His works in geography

*His work in astronomy

*References

*https://tr.wikipedia.org/wiki/El-Harezm%C3%AE*http://

www.belgeler.com/blg/2zbi/0-sayisi-ve-el-harezm*http://

www.learn-persian.com/english/Khwarizmi_creator_of_algorithm_algebra.php*http://www.kalemguzeli.net/harezmi.html