Historical development of science in the West cannot be separated from the great contribution of Muslim scientists. No exception in the field of mathematics, al-Khawarizmi, for example, played a major role in the development of modern mathematics. It is precisely able to be seen from the work of al-Khawarizmi such as science of al-Jabar in the book al-Jabr wal Muqa>balah. From Khawarizmi’s work, Mathematics becomes easier to utilize in trade, mapping and distributing inheritance. Besides, al-Khawarizmi's contribution in Mathematics is also found in Trigonometry and the discovery of zero as a number. Furthermore, al-Khawarizmi described them in a more perfect way than previous period of mathematics development. Al-Khawarizmi is kn...