Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsGlobal Minimum of a Surfacehttp://demonstrations.wolfram.com/GlobalMinimumOfASurface/]]>http://demonstrations.wolfram.com/GlobalMinimumOfASurface/Quadricshttp://demonstrations.wolfram.com/Quadrics/]]>http://demonstrations.wolfram.com/Quadrics/Isolated Singularitieshttp://demonstrations.wolfram.com/IsolatedSingularities/]]>http://demonstrations.wolfram.com/IsolatedSingularities/Steiner Surfaceshttp://demonstrations.wolfram.com/SteinerSurfaces/]]>http://demonstrations.wolfram.com/SteinerSurfaces/Picard Numbers of Quintic Surfaceshttp://demonstrations.wolfram.com/PicardNumbersOfQuinticSurfaces/]]>http://demonstrations.wolfram.com/PicardNumbersOfQuinticSurfaces/Some Named Algebraic Surfaceshttp://demonstrations.wolfram.com/SomeNamedAlgebraicSurfaces/]]>http://demonstrations.wolfram.com/SomeNamedAlgebraicSurfaces/Cupid's Arrowhttp://demonstrations.wolfram.com/CupidsArrow/]]>http://demonstrations.wolfram.com/CupidsArrow/Tensor Equation of a Planehttp://demonstrations.wolfram.com/TensorEquationOfAPlane/]]>http://demonstrations.wolfram.com/TensorEquationOfAPlane/Quadratic Surfaceshttp://demonstrations.wolfram.com/QuadraticSurfaces/]]>http://demonstrations.wolfram.com/QuadraticSurfaces/Enveloping the Oloidhttp://demonstrations.wolfram.com/EnvelopingTheOloid/]]>http://demonstrations.wolfram.com/EnvelopingTheOloid/Dupin Cyclideshttp://demonstrations.wolfram.com/DupinCyclides/]]>http://demonstrations.wolfram.com/DupinCyclides/Cross-Cap Surface and Variationshttp://demonstrations.wolfram.com/CrossCapSurfaceAndVariations/]]>http://demonstrations.wolfram.com/CrossCapSurfaceAndVariations/Boy Surface and Variationshttp://demonstrations.wolfram.com/BoySurfaceAndVariations/]]>http://demonstrations.wolfram.com/BoySurfaceAndVariations/A Family of Surfaces Including a Möbius Striphttp://demonstrations.wolfram.com/AFamilyOfSurfacesIncludingAMoebiusStrip/]]>http://demonstrations.wolfram.com/AFamilyOfSurfacesIncludingAMoebiusStrip/Bour's Minimal Surface and Variationshttp://demonstrations.wolfram.com/BoursMinimalSurfaceAndVariations/]]>http://demonstrations.wolfram.com/BoursMinimalSurfaceAndVariations/Special Rose Surfaceshttp://demonstrations.wolfram.com/SpecialRoseSurfaces/]]>http://demonstrations.wolfram.com/SpecialRoseSurfaces/Potter's Wheelhttp://demonstrations.wolfram.com/PottersWheel/]]>http://demonstrations.wolfram.com/PottersWheel/Intersection of Two Cylindershttp://demonstrations.wolfram.com/IntersectionOfTwoCylinders/]]>http://demonstrations.wolfram.com/IntersectionOfTwoCylinders/Equations for Valentineshttp://demonstrations.wolfram.com/EquationsForValentines/]]>http://demonstrations.wolfram.com/EquationsForValentines/Nordstrand's Weird Surfacehttp://demonstrations.wolfram.com/NordstrandsWeirdSurface/]]>http://demonstrations.wolfram.com/NordstrandsWeirdSurface/