## Ecological footprint quiz

How much of the Earth do you need to sustain your lifestlye? Check out this ecological footprint quiz.

How much of the Earth do you need to sustain your lifestlye? Check out this ecological footprint quiz.

Charlie explains to his class about the Monty Hall problem, which involves Baye's Theorem from probability.

Wanting a lucrative career path? Try the security industry in Maryland, USA.

This is an interesting tutorial on how matrices are used in Flash animations.

Here are 10 interesting 3D math/physics simulations from Prentice Hall.

In this month's newsletter:

1. Your updated IntMath information

2. Thanks for your positive comments

3. What's New in Interactive Mathematics

4. Answer to the Apples and oranges Puzzle

5. Asymptotes

6. From the math blog

7. Final thoughts - your future

Here's some mathematical background to the matrix operations applet here on IntMath. It involves matrix addition, subtraction, product and inverse.

Algebrator is an interesting product - but I'm not sure that I can recommend it.

Carnival of Mathematics #20 has an interesting array of topics from 14 contributors, covering math education, number theory, computing, Internet and videos. Enjoy.

CrazyEgg gives us a wealth of information about visitors to a Website - where they came from, how long they stay and where they go next.

See the blog sitemap for all previous articles.

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