1) Its a cool party trick - if you can give someone the 82nd digit of Pi in 8 seconds, they'll probably be impressed because you can't really do that using a co

1) Its a cool party trick - if you can give someone the 82nd digit of Pi in 8 seconds, they'll probably be impressed because you can't really do that using a conventional method of counting in your head through to that digit of Pi in such a short time. 2) Brain excercise - things like this will probably help keep your brain healthy. > Personally, I find understanding concepts and composing ideas to be far more valuable. Me too, they're not mutually exclusive! I very much take the same view about memorizing facts and have a generally poor memory. That's partly why this is cool, I still knew the first 25 digits of Pi effortlessly 2 years after doing this.