Download the Accompanying Software:
All the programs discussed in the book are included in a zip archive file. They are separated in directories according to the chapter they belong to. There are extra tools in the Tools/ directory. Browse the files in the directories in order to find programs that solve some of the problems in the book, shell and gnuplot scripts that do useful stuff, animation software etc.
zip archive containing all the
Alternatively, download the tar gzipped archive or the 7-z archive (see 7-zip.org for relevant software in order to open a 7z archive).