Edusurge says "MathChat helps students help each other. Teacher Sam Woodard noticed that when students didn’t understand a math problem, they would text a photo of it to a friend to get help. On MathChat, students can enter or draw a math problem, add friends to it, and collaborate by drawing, typing, and asking each other follow-up questions"
The app is free for the iphone and ipod. It can be downloaded from the Itunes store by clicking here.
