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.
From Thomas Westermann:
iMath is the most comprehensive collection of math problems with many hints and all detailed solutions. This educational math app can be used excellently for exam preparation and self-studies. This professional version provides more than 300 problems with: - a detailed description of the solution, - including all formulas - and equations, - helpful comments on the solutions, - additional hints on many tasks. The app includes the topics - Numbers, Vectors and Matrices - Equations, Systems and Inequalities - Systems of Linear Equations - Complex Numbers - Elementary Functions - Calculus - Taylor and Fourier Series - Multivariable Functions - Laplace and Fourier Transform - Ordinary Differential Equations - Partial Differential Equations