The program files above were produced and copyrighted by J. C. Sprott. They are from the book Strange Attractors: Creating Patterns in Chaos. You may download them for your personal use. You may distribute them for non-commercial purposes, provided their source is acknowledged. Permission is required if you wish to use them for commercial purposes. The file sadisk.zip contains all the programs zipped into one large file. The file SA.EXE is all you need if you only want to run the program under DOS.