It appears you have improved upon an already good program. Again my thanks, and congrats.
The best part of The Algebrator is its approach to mathematics. Not only it guides you on the solution but also tells you how to reach that solution.
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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