Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsArea Among Four Curves In A Squarehttp://demonstrations.wolfram.com/AreaAmongFourCurvesInASquare/]]>http://demonstrations.wolfram.com/AreaAmongFourCurvesInASquare/Area of a Quadrilateral within a Trianglehttp://demonstrations.wolfram.com/AreaOfAQuadrilateralWithinATriangle/]]>http://demonstrations.wolfram.com/AreaOfAQuadrilateralWithinATriangle/Decorating a Tree with a Ribbonhttp://demonstrations.wolfram.com/DecoratingATreeWithARibbon/]]>http://demonstrations.wolfram.com/DecoratingATreeWithARibbon/Tangent Circles to Two Parallel Lines and Passing through a Pointhttp://demonstrations.wolfram.com/TangentCirclesToTwoParallelLinesAndPassingThroughAPoint/]]>http://demonstrations.wolfram.com/TangentCirclesToTwoParallelLinesAndPassingThroughAPoint/Ratios of the Areas of an Internal Hexagon to Its Star to the External Hexagonhttp://demonstrations.wolfram.com/RatiosOfTheAreasOfAnInternalHexagonToItsStarToTheExternalHex/]]>http://demonstrations.wolfram.com/RatiosOfTheAreasOfAnInternalHexagonToItsStarToTheExternalHex/Draw Your Smiley Facehttp://demonstrations.wolfram.com/DrawYourSmileyFace/]]>http://demonstrations.wolfram.com/DrawYourSmileyFace/Parabola as a Locus of Centers of Circleshttp://demonstrations.wolfram.com/ParabolaAsALocusOfCentersOfCircles/]]>http://demonstrations.wolfram.com/ParabolaAsALocusOfCentersOfCircles/Pascal's Barrelhttp://demonstrations.wolfram.com/PascalsBarrel/]]>http://demonstrations.wolfram.com/PascalsBarrel/Volume under a Sphere Tangent to a Conehttp://demonstrations.wolfram.com/VolumeUnderASphereTangentToACone/]]>http://demonstrations.wolfram.com/VolumeUnderASphereTangentToACone/Designing a Logohttp://demonstrations.wolfram.com/DesigningALogo/]]>http://demonstrations.wolfram.com/DesigningALogo/YMCA Logohttp://demonstrations.wolfram.com/YMCALogo/]]>http://demonstrations.wolfram.com/YMCALogo/Percentage Errors in Approximating the Volumes of a Wine Barrel and a Goblethttp://demonstrations.wolfram.com/PercentageErrorsInApproximatingTheVolumesOfAWineBarrelAndAGo/]]>http://demonstrations.wolfram.com/PercentageErrorsInApproximatingTheVolumesOfAWineBarrelAndAGo/Ratio of Areas in a Squarehttp://demonstrations.wolfram.com/RatioOfAreasInASquare/]]>http://demonstrations.wolfram.com/RatioOfAreasInASquare/Moving a Circle in a Parabolahttp://demonstrations.wolfram.com/MovingACircleInAParabola/]]>http://demonstrations.wolfram.com/MovingACircleInAParabola/Pool Circleshttp://demonstrations.wolfram.com/PoolCircles/]]>http://demonstrations.wolfram.com/PoolCircles/Minimum Area between a Semicircle and a Rectanglehttp://demonstrations.wolfram.com/MinimumAreaBetweenASemicircleAndARectangle/]]>http://demonstrations.wolfram.com/MinimumAreaBetweenASemicircleAndARectangle/Ball Bearingshttp://demonstrations.wolfram.com/BallBearings/]]>http://demonstrations.wolfram.com/BallBearings/Ratio of the Areas of a Circular Segment and a Curvilinear Trianglehttp://demonstrations.wolfram.com/RatioOfTheAreasOfACircularSegmentAndACurvilinearTriangle/]]>http://demonstrations.wolfram.com/RatioOfTheAreasOfACircularSegmentAndACurvilinearTriangle/Swing the Logarithmic Curve around (1, 0)http://demonstrations.wolfram.com/SwingTheLogarithmicCurveAround10/]]>http://demonstrations.wolfram.com/SwingTheLogarithmicCurveAround10/The Area of a Square in a Squarehttp://demonstrations.wolfram.com/TheAreaOfASquareInASquare/]]>http://demonstrations.wolfram.com/TheAreaOfASquareInASquare/