Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & Contributors2D Wave Propagationhttp://demonstrations.wolfram.com/2DWavePropagation/]]>http://demonstrations.wolfram.com/2DWavePropagation/Solution to Differential Equations Using Discrete Green's Function and Duhamel's Methodshttp://demonstrations.wolfram.com/SolutionToDifferentialEquationsUsingDiscreteGreensFunctionAn/]]>http://demonstrations.wolfram.com/SolutionToDifferentialEquationsUsingDiscreteGreensFunctionAn/Numerical Integration Exampleshttp://demonstrations.wolfram.com/NumericalIntegrationExamples/]]>http://demonstrations.wolfram.com/NumericalIntegrationExamples/