PASCO® scientific has announced MatchGraph™ for the iPhone 4. MatchGraph is a fun way for children and adults  to develop their understanding of math and science concepts.  

The object of the game is to rotate the phone to produce a graph that matches a target graph on the screen as closely as possible. Users learn how to analyze and interpret graphs and develop a deeper understanding of the relationship between rotational position and time, improving their scores in the process.

MatchGraph requires the iPhone 4 and iOS 4. It can be downloaded for 99 cents at the App StoreSM