Gallery
The Multifunction plotter tool shows a square wave approximated by a series of sine waves (Fourier Series).
Simulation of a Function Generator connected to an Oscilloscope:
A square wave is generated by the Function Generator/Oscilloscope simulator.
The Butterfly Curve, plotted using the Parametric Function Plotter tool.
The Little Man takes a nap after executing a programme. The Little Man Computer is a simple model of a modern CPU, that can understood and programmed by high school students. See the Little Man Computer tool.
Discrete Fourier Transform Tool shows the DFT of a rectified sine wave
Simulation of a Binary Coded Decimal decoder circuit. This tool is built without any macros or even formulae entered directly in the cells, all functionality is achieved using Named Formulae and Conditional Formatting.
The Coupled ODE Solver tool works out the motion of a planet around a star. The Animated Charts Tool shows an animated version.
A Psychedelic Image of a Mandelbrot Set: See Psychedelic Mandelbrot.