1)   EMSolutionLight 3.0
Free problem-solving mathematics software with fully explained step-by-step solutions in arithmetic, pre-algebra, algebra, trigonometry and hyperbolic trigonometry

 2)   EMBook Light
This free collection of tests in arithmetic, pre-algebra, algebra, trigonometry, hyperbolic trig and calculus offers step-by-step solutions together with extensive reference material and interactive training technique.

 3)   Task Light 3.0
Test authoring mathematics freeware with 500+ solutions in arithmetic, pre-algebra, algebra, trigonometry and hyperbolic trigonometry. Easy preparation of math tests and their variants

 4)   EMMentor_Light 3.0
Free interactive problem solving software offers 500+ math problems, a variety of appropriate techniques to solve problems and a unique system of performance analysis with methodical feedback