Before dawn of Islam, All Western people were used Roman number system, After dawn of Islam, Many many Muslim Merchants vent in West. They learned the Arabic number system to Western Merchants. So that, Arabic Numerals Technology reached in West. But today, College and University Teachers do not know, The science and Technology of number and numeral systems and how the Arab scientist converted the ten numerals in to number one and what is the reason. All that hidden knowledge read in this Website. http://blackzero.20m.com/
This is a challenge site in the world. Originated the numeral symbols was subject of physics, not math. All world university teachers do not know what difference between number system and numeral system.