I like the ability to show all, some, or none of the steps. Sometimes I need to cross reference my work, and other times I just need to check the solution. I also like how an explanation can be shown for each step. That helps learn the functions of each different method for solving.
My daughter is in 10th grade and son is in 7th grade. I used to spend hours teaching them arithmetic, equations and algebraic expressions. Then I bought this software. Now this algebra tutor teaches my children and they are improving at a better pace.
I purchased the Personal Algebra Tutor (PAT). The system is not has functional as I wanted or expected, and there are several problems it will not solve, or certain problems will freeze up the system. The program is OK but there are too many limitations and several technical issues. It took three e-mail from their tech support just to activate the program.
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