Introduced is FD3, a program for estimation of fractal dimensions that may indicate the presence of chaos. The program, written in C computer language, will run on a variety of computers (e.g., Macintosh(r), IBM compatible, Next workstation) as long as they have a C compiler. Specific application is shown with the estimation of the fractal dimension of Bender-Gestalt. Included are the values for capacity, information, and correlation dimension for the nine drawings.
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