A calculation fun for BIG and SMALL, for YOUNG and OLD, for ADULTS and CHILDREN !Calculate at different levels from the bottom up until you reach the top of the pyramid. From EASY to HARD, with plus and minus ! Special feature: The CHALLENGE MODE !----------------------------------Each unit offers its own challenge mode. This means that you can collect points and break records in a prescribed time, and compare and share these with others in a leaderboard!
||Compatible with: iphone3gs, iphone3gs, iphone4, iphone4, ipodtouchfourthgen, ipodtouchfourthgen, ipad2wifi, ipad2wifi, ipad23g, ipad23g, iphone4s, iphone4s, ipadthirdgen, ipadthirdgen, ipadthirdgen4g, ipadthirdgen4g, iphone5, iphone5, ipodtouchfifthgen, ipodtouchfifthgen, ipadfourthgen, ipadfourthgen, ipadfourthgen4g, ipadfourthgen4g, ipadmini, ipadmini, ipadmini4g, ipadmini4g