The earliest textual evidence of pi dates back to 1900 BC; both the Babylonians and the Egyptians had a rough idea of the value. The Babylonians estimated pi to be about 25/8 (3.125), while the Egyptians estimated it to be about 256/81 (roughly 3.16). Archimedes' Polygons. read more
In particular, the digit sequence of π is conjectured to satisfy a specific kind of statistical randomness, but to date, no proof of this has been discovered. Also, π is a transcendental number; that is, a number that is not the root of any non-zero polynomial having rational coefficients. read more
Familiar as the pi may be to us, questions such as ‘who discovered pi’, ‘how was the value acquired’, ‘why is it a constant’, will leave most of us dumbfounded. read more