@bhargas: Ancient India 🇮🇳 is the source of key mathematical concepts such as the decimal number system, and zero, which were essential to the development of the modern world. Another example is the Pythagorean theorem and trigonometric concepts such as sine and cosine, that was also described in India by Aryabhata. Credits to biharis.heritage in insta. #india #edit #mathematics #Science #indianhistory