Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsArchimedes' Approximation of Pihttp://demonstrations.wolfram.com/ArchimedesApproximationOfPi/]]>http://demonstrations.wolfram.com/ArchimedesApproximationOfPi/Approximate Area and Circumference of a Circle Using Isosceles Triangleshttp://demonstrations.wolfram.com/ApproximateAreaAndCircumferenceOfACircleUsingIsoscelesTriang/]]>http://demonstrations.wolfram.com/ApproximateAreaAndCircumferenceOfACircleUsingIsoscelesTriang/Monte Carlo Estimate for Pihttp://demonstrations.wolfram.com/MonteCarloEstimateForPi/]]>http://demonstrations.wolfram.com/MonteCarloEstimateForPi/Regular Polygon Makerhttp://demonstrations.wolfram.com/RegularPolygonMaker/]]>http://demonstrations.wolfram.com/RegularPolygonMaker/Cavalieri's Principlehttp://demonstrations.wolfram.com/CavalierisPrinciple/]]>http://demonstrations.wolfram.com/CavalierisPrinciple/Rolling Polygons in a Circlehttp://demonstrations.wolfram.com/RollingPolygonsInACircle/]]>http://demonstrations.wolfram.com/RollingPolygonsInACircle/Rolling Polygonshttp://demonstrations.wolfram.com/RollingPolygons/]]>http://demonstrations.wolfram.com/RollingPolygons/Regular n-Gons as Polygons and Starshttp://demonstrations.wolfram.com/RegularNGonsAsPolygonsAndStars/]]>http://demonstrations.wolfram.com/RegularNGonsAsPolygonsAndStars/Approximating Pi with Inscribed Non-Regular Polygonshttp://demonstrations.wolfram.com/ApproximatingPiWithInscribedNonRegularPolygons/]]>http://demonstrations.wolfram.com/ApproximatingPiWithInscribedNonRegularPolygons/Area of a Diskhttp://demonstrations.wolfram.com/AreaOfADisk/]]>http://demonstrations.wolfram.com/AreaOfADisk/Approximating Pi by the Monte Carlo Methodhttp://demonstrations.wolfram.com/ApproximatingPiByTheMonteCarloMethod/]]>http://demonstrations.wolfram.com/ApproximatingPiByTheMonteCarloMethod/Regular Polygonshttp://demonstrations.wolfram.com/RegularPolygons/]]>http://demonstrations.wolfram.com/RegularPolygons/Cylinder Hemisphere Conehttp://demonstrations.wolfram.com/CylinderHemisphereCone/]]>http://demonstrations.wolfram.com/CylinderHemisphereCone/Circumference of a Circlehttp://demonstrations.wolfram.com/CircumferenceOfACircle/]]>http://demonstrations.wolfram.com/CircumferenceOfACircle/Approximating Pi with Inscribed Polygonshttp://demonstrations.wolfram.com/ApproximatingPiWithInscribedPolygons/]]>http://demonstrations.wolfram.com/ApproximatingPiWithInscribedPolygons/