Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & Contributors3D Random Walk Using Digits of Pihttp://demonstrations.wolfram.com/3DRandomWalkUsingDigitsOfPi/]]>http://demonstrations.wolfram.com/3DRandomWalkUsingDigitsOfPi/