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The strength of Geometric Optics is rooted in its simple, targeted focus on individual concepts. Ideal for high school and introductory level-college students, the program uses Java applets to serve up single topics in digestible bites. Students are presented with a lesson goal and instructions for working with each demo, and they can vary parameters to get a better grasp of the topics as they study. There are seventeen applets in all. Each consists of a text description of the physical concept under scrutiny and a concept demo portraying the relevant physics in the animation. Concept demos include point and extended source shadows, refraction and reflection scenarios, dispersion, prisms, rays and lenses, refracting telescope, spherical and chromatic lens aberrations, and mirrors. The program's excellent representation of a pinhole camera is a student favorite. Geometric Optics' simplicity extends to its interface, which is straight-forward and easy to use. The HTML page browser format will be familiar to Internet users, and the choice of Windows or Macintosh platforms makes it a versatile package for any classroom. Another advantage is the optional Web license, which allows users to make the program available on a web server to a restricted number of addresses or password holders. 20 pp. System Requirements:
Your computer system and hardware configuration should be any Macintosh computer with a PowerPC processor with the following features:
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