iMathematics from iTunes

iMathematics is the best app on AppStore for the study of mathematics! With more than 120 topics, over 700 formulas, attractive interface, with 8 solvers and calculators, and a special version for iPad! Try it for free, if you like it you can buy iMathematics Pro for only 1,99 $!
Download link: http://itunes.apple.com/us/app/imathematics/id337535181?mt=8#