All rights reserved. The programs and documentation in this book are not guaranteed to be without defect, nor are they declared to be fit for any specific purpose other than instruction in the use of the programming language SIMPOL. It is entirely possible (though not probable) that use of any sample program code in this book could reformat your hard disk, disable your computer forever, fry your dog in a microwave oven, and even cause a computer virus to infect you by touching the keyboard, though none these things is terribly likely (after all, almost anything is possible. It is just that most things are extremely improbable.