Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsAngle and Length Measurement of a Polygonhttp://demonstrations.wolfram.com/AngleAndLengthMeasurementOfAPolygon/]]>http://demonstrations.wolfram.com/AngleAndLengthMeasurementOfAPolygon/Image Inpaintinghttp://demonstrations.wolfram.com/ImageInpainting/]]>http://demonstrations.wolfram.com/ImageInpainting/Interactive Splinehttp://demonstrations.wolfram.com/InteractiveSpline/]]>http://demonstrations.wolfram.com/InteractiveSpline/Isolated RGB Channels of Imageshttp://demonstrations.wolfram.com/IsolatedRGBChannelsOfImages/]]>http://demonstrations.wolfram.com/IsolatedRGBChannelsOfImages/