Random Walk Generated by the Digits of Pi
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This Demonstration represents the walk generated from the digits of 
in various bases by using the Mathematica built-in function AnglePath. Each successive step is a rotation at an angle determined by the digits times 90 degrees. Simple rules here generate a pattern that appears to be essentially random, as explained in Stephen Wolfram's Demonstration Randomness in the Digits of Pi.
Contributed by: Minjie Lei (June 2016)
Based on a program by: Stephen Wolfram
Open content licensed under CC BY-NC-SA
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