This free bilingual educational program for math teachers and tutors offers solutions to 1224 math problems in arithmetic, pre-algebra, algebra, trigonometry, hyperbolic trig and calculus. Problems vary in difficulty. Offered are proofs of identities and solutions of algebraic fractional equations and inequalities, trig equations and equations of high degree. Special options help teachers in developing quizes, tests, lesson plans and worksheets. Program can generate numerous similar problems on the basis of a constructed example.