Chapter 3 describes how to operate the program. It documents how to enter and exit the program, and gives several examples of how to use the procedures. The beginning of the chapter describes information that is essential for using any module, but most of the chapter is intended to be a reference for questions that come up in the course of extended use. The Appendix describes some of the algorithms used and characterizes their reliability. The sessions are titled by chapter number and session number, with the titles underlined.
Text printed by the program is in fixed width font , with user input in bold .
We also give many examples of input and output files, which are all regular text files. For example, the following shows the input file pub.dat. We would appreciate any comments on any part of the program and manual.