A well-written precalculus tutor program designed to help students review the basics of algebra and trigonometry. These programs give quizzes on those sections of algebra and trigonometry essential to calculus. There are two programs, one to prepare you for Calculus I, and another for Business Calculus. The differences are that the quizzes are easier in the Business Calculus section and there are fewer topics to review. You'll have several choices to choose from.The instructions are written so you can start using the program right away. The quizzes are multiple-choice and the different answers are well chosen. The program is conveniently presented to the user with different window layouts. If you don't know how to answer a particular question, ask for help. You'll get a help screen which covers the topic of your quiz. If you want to take calculus next quarter or semester, this program is for you.  Minimum Requirements: Mono, CGA, EGA or VGA.