Interactive Algebra II tutorial and testing package for individual e-learning and Casa schooling with emphasis on building problem-solving skills. Java- and web-based math course includes theoretical concepts, hands-on examples featuring animated Gráficos and live formulas, problem-solving lessons, and customizable real time tests with solutions and evaluations. Topics covered: rectangular coordinate Sistema, functions and graphs, linear and absolute value functions, quadratic functions, polynomial and rational functions, exponential and logarithmic functions, vectors in the plane, second degree equations, determinants and Cramer's rule, matrices. The demo Versión contains selected lessons from the full Versión, fully functional, all features included.