In India, the decimal notation of integers appeared before the 6th century. With nine numbers and a small circle representing zero, any number can be written with the help of a numerical system. Thus, the arithmetic operation including four arithmetic rules of integer and fraction is established. Square root and publisher's rules, etc. Zero is not only regarded as nothing or vacancy, but also as a number participating in the operation.

The origin of Indian mathematics, like the ancient people, is based on the actual needs of production. However, there is a special factor in the development of mathematics in India, that is, mathematics, like the calendar, has been fully developed under the influence of Brahman rituals. Plus Buddhism and trade, Indian mathematics and exchanges in the Near East.

Extended data:

Indian geometry is based on experience, does not pursue rigorous proof of logic, but only pays attention to the development of practical methods, which are generally related to measurement and focus on the calculation of area and volume. Its contribution is far less than that of arithmetic and algebra. In trigonometry, Indians use half-chords (sine) instead of Greek full chords to make sine tables.

Some simple trigonometric identities are also proved. The study of trigonometry is very important. The development of mathematics in India can be divided into three important periods. One is the Dravidian period before the Aryan invasion, which was called valley culture in history; Followed by the Vedic period; Then came the Siddhartha period.

Baidu Encyclopedia-Indian Mathematics