Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsThe Wire Problemhttp://demonstrations.wolfram.com/TheWireProblem/]]>http://demonstrations.wolfram.com/TheWireProblem/Maximizing the Area of Some Geometric Figures of Fixed Perimeterhttp://demonstrations.wolfram.com/MaximizingTheAreaOfSomeGeometricFiguresOfFixedPerimeter/]]>http://demonstrations.wolfram.com/MaximizingTheAreaOfSomeGeometricFiguresOfFixedPerimeter/Finding a Tangent Line to a Parabolahttp://demonstrations.wolfram.com/FindingATangentLineToAParabola/]]>http://demonstrations.wolfram.com/FindingATangentLineToAParabola/Intersection of a Line and a Circlehttp://demonstrations.wolfram.com/IntersectionOfALineAndACircle/]]>http://demonstrations.wolfram.com/IntersectionOfALineAndACircle/