what is the history of pi
A Brief History of Ï. Pi has been known for almost 4000 yearsâbut even if we calculated the number of seconds in those 4000 years and calculated pi to that number of places, we would still only be approximating its actual value. Hereâs a brief history of finding pi:he ancient Babylonians calculated the area of a circle by taking 3 times the square of its radius, which gave a value of pi = 3. One Babylonian tablet (ca. 1900â1680 BC) indicates a value of 3.125 for pi, which is a closer approximation.