Numbers in China

Chinese people start to use numbers A.C. 500. Chinese numbers based on 13 rules. They used 10 based numbers, but their roles made them much easier to calculate against the Greeks and Romans. They can show numbers by addition and subtraction both. They used letters to show numbers and they have different sign for numbers and letters. Their 13 rule gives numbers (1 to 9 and 10² 10³ 10⁴) different letters and make other numbers from them.

Numbers in India

Indian numbers are the beginning of modern numbers. Their numbers symbolized like our numbers. 1 is one because it has 1 angle and all the numbers have that times angles. For hard calculations in this system they used 0 which has no angle. After 0 was found mathematics developed.