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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!

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Latest articles

Units: Calories and kilograms

Le Grand K with inch ruler
How many calories? and the way the kilogram was defined has been in place since 1799. It recently got a makeover. .. more »

Spiral around a hyperboloid - the Effekt bridge

spiral around hyperboloid
We explore how to find the equations for a spiral around a hyperboloid... more »

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 »

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