What’s the history of pi day, how did it all begin?
In 1987 Larry Shaw at the San Francisco Exploratorium started thinking about “rotation into another dimension”, which coincidentally is what pi describes: the relationship between two dimensions. Shaw and his colleagues built a pi shrine that displayed the first 100 digits of pi, walked in a circle around it and ate pie. Later, Shaw’s daughter discovered that 3/14 aligned with Einstein’s birthday and its popularity grew from there. 2. How many digits are in pi? An infinity of digits. Pi is an irrational number, though so far the record calculated is 206,158,430,000 digits by a supercomputer in Tokyo. 3.14 is just the beginning. If you’re interested in finding a sequence of numbers within pi, this Pi-Search site will help. 3. Where did the symbol come from? In 1706, William Jones wrote: There are various other ways of finding the Lengths or Areas of particular Curve Lines, or Planes, which may very much facilitate the Practice; as for instance, in the Circle, the Diameter is to the Circ
