This is the overall software catalogue. The software modules are organized by subject and functional capabilities. The program line EMTask provides a repository of math problems with answers and solutions and easy-to-use test preparation tools. The program line EMSolution supports all options of EMTask, and additionally, provides each solution step with related math concepts - definition, rule, formula and theorem. The program line EMMentor is an interactive software for training problem-solving skills that offers a variety of interactive learning algorithms, a unique system of performance analysis and supports all options of EMSolution and EMTask. The low-priced _short version of each program differs in a number of included math problems.