Mathematician Carlos Castillo-Chavez says that pi is so important to math that using its simple, geometric definition denies its greater powers. "[Pi] brings you into the world of mathematics, which ...
3.14, 22/7, the Archimedes' constant-- Pi, the mathematical constant, celebrates the 31st Pi Day today. Physicists, mathematicians and Pi-enthusiasts have thanked the constant and have outpoured their ...