## Quarter in Review – The Most Popular Posts

It’s almost the end of the first quarter of 2012. It’s a very busy week, so no time to write this week. Anyway, in case you missed reading some articles, here are the most popular posts for this quarter.

**The Most Popular Posts**

- An Intriguing Number Pattern Problem
- Math and Multimedia Carnival 19
- Using Area to Prove the Arithmetic-Geometric Mean
- 500 Math Ebooks — Downloadable and Free
- Heart Graph for the Mathematically In Love
- The GeoGebra 4.0 Tutorials List
- The Microsoft Mathematics Tutorial Series
- Divisibility by 7 and its Proof
- Proof that log 2 is an irrational number
- Using Latex in Gmail
- The Mathematics of Leap Years Explained
- Constructing Open-ended Math Problems
- Proof by Contradiction: Knights and Liars
- Microsoft Mathematics Tutorial 1 – The User Interface
- Diagonals of a Parallelogram » Read more