Gallery

The Multifunction plotter App shows a square wave approximated by a series of sine waves (Fourier Series).



Lightning from a wand using the glow effect in Excel 2010 charts, see Expecto Petronam!



The Butterfly Curve, plotted using the Parametric Function Plotter.



Image processing with Excel



Simulation of a Binary Coded Decimal decoder circuit.



A Psychedelic Image of a Mandelbrot Set: See Psychedelic Mandelbrot



"Matrix" Movie Style Digital Rain

An advanced version of the Image Processing App, contributed by Bert van Zandbergen from Beekbergen, The Netherlands.