Archive for February, 2011

1. Math tip - Quadratic formula by completing the square - easier method
2. Resource - Curriki (a curriculum wiki)
3. More funny GraphJam graphs
4. Friday math movie: pentatonic scale
5. MathJax - render math on the Web on all browsers
6. Final thought – things that count

Free math resources

Here is a list of math lessons and other resources that you may find useful.

MathJax - render math on the Web on all browsers

Here's another method for getting math onto a Web page - MathJax.

Friday math movie: pentatonic scale

The pentatonic scale is popular across all cultures. Some math is involved here!

More funny GraphJam graphs

Here are some more funny graphs courtesy of GraphJam.

Quadratic formula by completing the square - easier method

Here's an easier way to derive the Quadratic Formula using completing the square.

IntMath Newsletter - e Day, funny graphs, risk and matrices

1. Math tip: Happy "e" Day
2. Funny graphs - from GraphJam
3. Math tip: Multiplying matrices
4. Friday math movie: Hans Rosling's 200 Countries, 200 Years, 4 Minutes
5. Math tip: Determining economic risk - Black Scholes formula
6. Friday math movie: Doodling in math class - binary trees
7. Final thought – security

Determining economic risk - Black Scholes formula

The Black Scholes Model is one of the many formulas used by the mathematical financial wizards to price options. How does it work?

Multiplying matrices

This article points to 2 interactives that show how to multiply matrices.

Full archive

See the blog sitemap for all previous articles.