Videociencia 2018: Where does the pi number come from?

Elena Caballero Luque de 3ºE ESO nos envía el siguiente vídeo.
The video is about where does the pi number come from, talked that the Babylonians had the first approximations of the calculation of this number, that Archimedes of Syracuse started this. The mathematicians, William Jones and Leonhard Euler, contributed this calculation. Talked about the definition of π, the calculations of more mathematicians and finally, the invention of a special computer, ENIAC