Links for March 19th

Wolfram MathWorld: Pi DigitsThe first thirty million digits of pi are almost uniformly distributed. That is, 1 occurs with the same frequency as 2, 3, 4, etc. That's consistent with randomness, but hardly evidence of it. Ludolph Van Ceulen’s HeadstoneThis Dutch mathematician devoted his life to calculating pi. By the time of his death, in …