Highly interactive tutorials and self-test system for individual e-learning, home schooling, college and high school computer learning centers, and distance learning. The product emphasizes on building problem-solving skills. Tutorials include the reviews of basic concepts, interactive examples, and standard problems with randomly generated parameters. The self-test system allows selecting topics and length for a test, saving test results, and getting the test review. Topics covered: rectangular coordinate system, functions and graphs, linear equations and inequalities in one variable, systems of linear equations and inequalities, determinants and Cramer's rule, operations with polynomials, factoring polynomials, roots of polynomial equations, rational expressions, exponents and radicals, complex numbers, quadratic functions, conic sections, exponential and logarithmic functions, sequences and series, binomial theorem, counting principles. The demo version contains selected lessons from the full version. The demo is designed to demonstrate the functionality and all features of the product.