July 2011 Week 2 Posts Summary

I. Mathematics and Multimedia

• Order of Operations: 360 or 354?
• Free Downloadable GeoGebra Tutorials in PDF
• Vedic Mathematics: Multiplication with a series of 9s
• 101 Blog Tips: Blog Posts Tips
• GeoGebra Sneak Peek 6: The Function Inspector
• Popular free posts on free math resources

II. GeoGebra Applet Central

• The Wittgenstein Rod
• Largest Equilateral Triangle
• Linear Approximation of Function

III. School of Freebies

• How to shorten URLS