TRIGONOMETRY CHALLENGE is designed to supplement your classroom and textbook instruction. The topics included in the program are: The Pythagorean Theorem, Degree and Radian Conversion, Using the Sine Function, Using the Cosine Function, Using the Tangent Function, The Inverse Functions, The Law of Sines, The Law of Cosines. The activities are constructed from ramdom variables. Student work is graded instantly. Grades can be printed on "certificates" or stored on diskettes. The program is simple to install and use. An unlimited use site license is $159.00. Licensed sites can optionally allow students and teachers to use a copy of the program on their home computers.

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