1)   Advanced Grapher 2.11
Graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions and inequalities. Calculus features: regression analysis, derivatives, tangents, normals and more.

 2)   EMMentor Algebra short 3.0
Interactive problem solving software offers 70439 algebraic problems, a variety of appropriate techniques to solve problems and a unique system of performance analysis with methodical feedback

 3)   EMMentor Algebra Inequalities short 3.0
Interactive problem solving software offers 11667 algebraic inequalities, a variety of appropriate techniques to solve problems and a unique system of performance analysis with methodical feedback