Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsCupid's Arrowhttp://demonstrations.wolfram.com/CupidsArrow/]]>http://demonstrations.wolfram.com/CupidsArrow/Ray in a Squarehttp://demonstrations.wolfram.com/RayInASquare/]]>http://demonstrations.wolfram.com/RayInASquare/Laser Swordhttp://demonstrations.wolfram.com/LaserSword/]]>http://demonstrations.wolfram.com/LaserSword/Length of Line Illusionhttp://demonstrations.wolfram.com/LengthOfLineIllusion/]]>http://demonstrations.wolfram.com/LengthOfLineIllusion/Circles on a Gridhttp://demonstrations.wolfram.com/CirclesOnAGrid/]]>http://demonstrations.wolfram.com/CirclesOnAGrid/Smiley Changerhttp://demonstrations.wolfram.com/SmileyChanger/]]>http://demonstrations.wolfram.com/SmileyChanger/Simple Spheremanhttp://demonstrations.wolfram.com/SimpleSphereman/]]>http://demonstrations.wolfram.com/SimpleSphereman/Holiday Greenery with Starshttp://demonstrations.wolfram.com/HolidayGreeneryWithStars/]]>http://demonstrations.wolfram.com/HolidayGreeneryWithStars/Decorative Holiday Starshttp://demonstrations.wolfram.com/DecorativeHolidayStars/]]>http://demonstrations.wolfram.com/DecorativeHolidayStars/Ornamental Holiday Decorationhttp://demonstrations.wolfram.com/OrnamentalHolidayDecoration/]]>http://demonstrations.wolfram.com/OrnamentalHolidayDecoration/Colorizing an Imagehttp://demonstrations.wolfram.com/ColorizingAnImage/]]>http://demonstrations.wolfram.com/ColorizingAnImage/Are These Lines Straight?http://demonstrations.wolfram.com/AreTheseLinesStraight/]]>http://demonstrations.wolfram.com/AreTheseLinesStraight/Dim Cityhttp://demonstrations.wolfram.com/DimCity/]]>http://demonstrations.wolfram.com/DimCity/Emoticonhttp://demonstrations.wolfram.com/Emoticon/]]>http://demonstrations.wolfram.com/Emoticon/Ridged Pip Diehttp://demonstrations.wolfram.com/RidgedPipDie/]]>http://demonstrations.wolfram.com/RidgedPipDie/Moving Stick Figureshttp://demonstrations.wolfram.com/MovingStickFigures/]]>http://demonstrations.wolfram.com/MovingStickFigures/Simple Phone Dialerhttp://demonstrations.wolfram.com/SimplePhoneDialer/]]>http://demonstrations.wolfram.com/SimplePhoneDialer/An Example of Subtraction of Negative Numbershttp://demonstrations.wolfram.com/AnExampleOfSubtractionOfNegativeNumbers/]]>http://demonstrations.wolfram.com/AnExampleOfSubtractionOfNegativeNumbers/A Lockable Boxhttp://demonstrations.wolfram.com/ALockableBox/]]>http://demonstrations.wolfram.com/ALockableBox/Overlapping Ringshttp://demonstrations.wolfram.com/OverlappingRings/]]>http://demonstrations.wolfram.com/OverlappingRings/