who calculated the value of pi in india
Pi The Indian astronomer Aryabhata used a value of 3.1416 in his Āryabhaṭīya (499 AD).[58] Fibonacci in c. 1220 computed 3.1418 using a polygonal method, independent of Archimedes.[59] Italian author Dante apparently employed the value 3+√2/10 ≈ 3.14142.[59]