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

Math movie: The exceptional life of Benjamin Banneker

The exceptional life of Benjamin Banneker
Self-taught mathematician and astronomer Benjamin Banneker excelled despite little formal education and prejudice... more »

What's the correct graph of sec(arccos(x))?

What is the graph of y = sec(arccos(x))?
Here we solve another graph mystery - what is the correct domain for y = sec(arccos(x))? And why do different software packages show similar, but different graphs?.. more »

Review: Manga Guide to Regression Analysis

Manga Guide to Regression Analysis
The Manga Guide to Regression Analysis continues the tradition of presenting math through comics. Here's my review... more »

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