Interactive Mathematics

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Use interactive apps to explore math and get a better understanding of what it all means. Go ahead - play and learn!

There's over 300 easy to understand math lessons.

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Latest articles

Infinite series background

binomial series interactive applet background
Infinite series have played an important role in the development of mathematics, especially calculus. Here's some background to some applets I wrote recently... more »

The object with finite volume but infinite surface area

Gabriel's Horm
This object has a weird property - it has finite volume, but infinite surface area. How is this possible?.. more »

Double springs interactive graph

revised double springs applet
The revised double spring applet now allows exploration on mobile devices. Here is some background... more »

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