A coworker pointed out that Microsoft Mathematics is now available at no charge.  You can see an article about the software or go directly to Microsoft to download the application.  If you’ve never heard of it (and I hadn’t), Microsoft Mathematics is similar to MathCad or Mathematica.  It allows you to solve equation and draw graphs, but also adds many visual explanations to otherwise intangible concepts.  Enjoy!

Tony Miller Microsoft Windows, Software FLOSS Friday