Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsPerpendicular Bisector Trace of a Parametric Functionhttp://demonstrations.wolfram.com/PerpendicularBisectorTraceOfAParametricFunction/]]>http://demonstrations.wolfram.com/PerpendicularBisectorTraceOfAParametricFunction/