Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsDandelin Spheres for an Ellipsehttp://demonstrations.wolfram.com/DandelinSpheresForAnEllipse/]]>http://demonstrations.wolfram.com/DandelinSpheresForAnEllipse/Square Pyramid and Its Right Triangleshttp://demonstrations.wolfram.com/SquarePyramidAndItsRightTriangles/]]>http://demonstrations.wolfram.com/SquarePyramidAndItsRightTriangles/Hyperbolic Paraboloid as a Ruled Surfacehttp://demonstrations.wolfram.com/HyperbolicParaboloidAsARuledSurface/]]>http://demonstrations.wolfram.com/HyperbolicParaboloidAsARuledSurface/Slicing a Solid of Revolutionhttp://demonstrations.wolfram.com/SlicingASolidOfRevolution/]]>http://demonstrations.wolfram.com/SlicingASolidOfRevolution/Shapes Produced by Rotating an Astroidhttp://demonstrations.wolfram.com/ShapesProducedByRotatingAnAstroid/]]>http://demonstrations.wolfram.com/ShapesProducedByRotatingAnAstroid/Flying Saucer Builderhttp://demonstrations.wolfram.com/FlyingSaucerBuilder/]]>http://demonstrations.wolfram.com/FlyingSaucerBuilder/Cross Sections of Quadratic Surfaceshttp://demonstrations.wolfram.com/CrossSectionsOfQuadraticSurfaces/]]>http://demonstrations.wolfram.com/CrossSectionsOfQuadraticSurfaces/3D Object Designer Using Splineshttp://demonstrations.wolfram.com/3DObjectDesignerUsingSplines/]]>http://demonstrations.wolfram.com/3DObjectDesignerUsingSplines/Plotting Extrusion Profileshttp://demonstrations.wolfram.com/PlottingExtrusionProfiles/]]>http://demonstrations.wolfram.com/PlottingExtrusionProfiles/Surfaces of Revolution with Constant Gaussian Curvaturehttp://demonstrations.wolfram.com/SurfacesOfRevolutionWithConstantGaussianCurvature/]]>http://demonstrations.wolfram.com/SurfacesOfRevolutionWithConstantGaussianCurvature/Approximating the Volume of a Sphere Using Cylindrical Sliceshttp://demonstrations.wolfram.com/ApproximatingTheVolumeOfASphereUsingCylindricalSlices/]]>http://demonstrations.wolfram.com/ApproximatingTheVolumeOfASphereUsingCylindricalSlices/Plane Sections of a Conehttp://demonstrations.wolfram.com/PlaneSectionsOfACone/]]>http://demonstrations.wolfram.com/PlaneSectionsOfACone/Volumes of Revolution Using Cylindrical Shellshttp://demonstrations.wolfram.com/VolumesOfRevolutionUsingCylindricalShells/]]>http://demonstrations.wolfram.com/VolumesOfRevolutionUsingCylindricalShells/Shaping a Tubular B-Spline Surfacehttp://demonstrations.wolfram.com/ShapingATubularBSplineSurface/]]>http://demonstrations.wolfram.com/ShapingATubularBSplineSurface/The Disk Methodhttp://demonstrations.wolfram.com/TheDiskMethod/]]>http://demonstrations.wolfram.com/TheDiskMethod/Solid of Revolutionhttp://demonstrations.wolfram.com/SolidOfRevolution/]]>http://demonstrations.wolfram.com/SolidOfRevolution/Approximating Volumes by Summationhttp://demonstrations.wolfram.com/ApproximatingVolumesBySummation/]]>http://demonstrations.wolfram.com/ApproximatingVolumesBySummation/Solids Whose Cross Sections Have the Same Shapehttp://demonstrations.wolfram.com/SolidsWhoseCrossSectionsHaveTheSameShape/]]>http://demonstrations.wolfram.com/SolidsWhoseCrossSectionsHaveTheSameShape/Potter's Wheelhttp://demonstrations.wolfram.com/PottersWheel/]]>http://demonstrations.wolfram.com/PottersWheel/Blood Spatter Trigonometryhttp://demonstrations.wolfram.com/BloodSpatterTrigonometry/]]>http://demonstrations.wolfram.com/BloodSpatterTrigonometry/