Too cool for Skoool

Algebra students:
You'll want to check out this site, Skoool. It's from Intel, and they've created versions for the UK, Ireland, and Sweden (not the USA). If you click the Skoool link here and scroll down to #29, you'll find a good lesson on algebraic fractions and even some tests to make sure you get it.

If you explore the page, you can also find some lessons to help you with other things we learned in Semester 1, if you want a little extra review.

History of Zero

A cool global history of zero.

Binary arithmetic and a chessboard

This is a cool blog entry from Kuro5hin on John Napier, a 17th century mathematician who shows cool ways to do binary arithmetic on a chessboard. Check it out!

Get the Precalculus Q2 Test Key

It's here on my website in PDF Format or here in HTML. E-mail me if you have questions.