Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsVibrations of a Rectangular Membranehttp://demonstrations.wolfram.com/VibrationsOfARectangularMembrane/]]>http://demonstrations.wolfram.com/VibrationsOfARectangularMembrane/The Vibrating Stringhttp://demonstrations.wolfram.com/TheVibratingString/]]>http://demonstrations.wolfram.com/TheVibratingString/Fourier Series of Simple Functionshttp://demonstrations.wolfram.com/FourierSeriesOfSimpleFunctions/]]>http://demonstrations.wolfram.com/FourierSeriesOfSimpleFunctions/Orthogonality of Two Functions with Weighted Inner Productshttp://demonstrations.wolfram.com/OrthogonalityOfTwoFunctionsWithWeightedInnerProducts/]]>http://demonstrations.wolfram.com/OrthogonalityOfTwoFunctionsWithWeightedInnerProducts/Complex Exponential and Logarithm Functionshttp://demonstrations.wolfram.com/ComplexExponentialAndLogarithmFunctions/]]>http://demonstrations.wolfram.com/ComplexExponentialAndLogarithmFunctions/