Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsRamanujan's Strange Formula for Pihttp://demonstrations.wolfram.com/RamanujansStrangeFormulaForPi/]]>http://demonstrations.wolfram.com/RamanujansStrangeFormulaForPi/Babylonian Algorithm for Computing Square Rootshttp://demonstrations.wolfram.com/BabylonianAlgorithmForComputingSquareRoots/]]>http://demonstrations.wolfram.com/BabylonianAlgorithmForComputingSquareRoots/