But, if you want to try
these programs to reinforce some of the concepts in these early chapters, you may do so.
Appendix A is a manual for the use of these programs, and it can be read at any time.
Reference will be made to program features which are germane to topics in each chapter,
as they are introduced. Data files for input to these computer programs are also provided
on disk for example problems and figures in these chapters. The data file names
are noted near the figure or example. The student is encouraged to input these sample files
to the programs in order to observe more dynamic examples than the printed page can provide.
These examples can be run by merely accepting the defaults provided for all inputs