The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
A fun way to improve your math grade for young and old. With this app the operations add, sub, multiply and divide will have no secrets anymore for you.Practice your knowledge in a training program or put yourself under pressure in an arcade game. Challenge your friends to get the highest possible score through Game Center.