In India, the decimal counting method of integers appeared before the 6th century. Any number can be written with 9 numbers and a small circle representing 0, and then with the help of bit values. In this way, the arithmetic operation is established. They are no strangers to 0. Later, it evolved into Arabic numerals such as 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

India has made great contributions to mathematics. They have calculated the sum of arithmetic series and solved business problems such as discounts.