Add Yahoo as a preferred source to see more of our stories on Google. This number-themed day dates back to 1988, when physicist Larry Shaw decided to host a circle walk to honor the mathematical π ...

Why are we asking this now? A French computer programmer has calculated pi to a world record of almost 2,700 billion decimal places. Fabrice Bellard said he did it for the programming challenge rather ...

Just a couple weeks ago was the eighth anniversary of the (five significant digits) Pi Day, pi being 3.1416 (rounded up) and the ratio of the circumference of a circle to its diameter. Having ( ...