- The earliest mention of the concept of the atom dates back to India.
- A couple of popular schools of thought dating back to the 6th century BC developed theories about how atoms combined to form more complex objects. References to atoms in the West emerged about a century later.
Zero was recognized as a number and not merely a symbol of separation amongst all other numbers in India. Basic calculations – including multiplications and divisions were already carried out considering zero as any other number from the 9th century AD.
3) Trigonometric functions
- The functions of sine and cosine can be traced back to India.
- Although the study of trigonometry can be dated back to the ancient times, there is evidence that these two values were being used in the 5th century AD.
4) Modern decimal system
What we use as the modern decimal system was compiled in its entirety in India. Although other cultures had introduced some features of the numeric system beforehand, it was completed in India by the 9th century AD.