did you know who first calculated the value of pi Meet arabat The Genius behind it all born in the heart of India arabat revolutionized the world of mathematics and astronomy at just 23 he authored the Arab batia a masterpiece that introduced groundbreaking Concepts he proposed that the Earth rotates on its axis a thousand years before Galileo arabat also accurately calculated the length of a year as 365. 358 days but his genius didn't stop there AR abata was one of the first to use the concept of zero and the decimal system Paving the way for modern mathematics his astronomical calculations including the positions of planets and eclipses were astonishingly precise for his time arata's Legacy is a testament to India's Rich scientific Heritage inspiring generations of Scholars and scientists being the star among ancient Scholars