The Math Forum - Corner for Interactive Geometry Software

 CIGS = Corner for Interactive Geometry Software


FPU Necessary Sketches

Bill Finzer

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Don't try these sketches on a slow machine. Too frustrating!

Compleat Sine Wave

You can use this sketch in demos in trig class to illustrate the roles of amplitude, phase, and frequency in a sine curve.


Fourier Series

This geometric model of a Fourier series allows you go specify the amplitude of components and shows you a neat way to visualize how the wave is generated. This is a picture of the Fourier sketch:

 

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