H. James Harwood, Maurice Morton Institute of Polymer Science, The University of Akron, Akron, Ohio 44325-3909 (

The computer is a marvelous device for simulating all kinds of activity and phenomena, including the generation of art and music. Simulations of physical phenomena are particularly easily programmed by Monte Carlo techniques. They enable programmers to work closely with models without being distracted by mathematical manipulation. Continuous system modeling, using programs such as CSMP, ACSL (with SymSolv), and Enhanced DESIRE, provides an alternative to Monte Carlo programming that reduces the time and effort required. Enhanced DESIRE (G. A. Korn, "Interactive Dynamic System Simulation," McGraw-Hill, 1989, ca. $60) is an inexpensive, interactive program that follows a BASIC format and is particularly easy to use. Use of the program to calculate the trajectories of an 1812 cannon ball and a bouncing ball as well as to simulate simple and complex chemical systems will be illustrated. Results from Monte Carlo and continuous system simulations of polymer modification processes will be compared.

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