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Preface

This guide is divided into three principal parts:

• Part I gives an overview of the MODULEF standards. The aim is to give the reader a general knowledge of the principle ideas employed and the choices made.
• Part II describes the concepts, already presented in Part I, in detail.
• Part III gives a complete description of each Data Structure, its contents and the corresponding tools.

The main concepts presented in this guide are the following :

• Utilization Levels : how to use MODULEF (calling a black box, a processor, a module, an algorithm or a utility).

• Free Format : how to enter data into a MODULEF program.

• Parser Functions : how to enter an analytic expression into a program.

• Dynamic Arrays : how to allocate and free arrays in memory.

• Data Structures (DS) : how to communicate data sets to modules.

In order to facilitate locating information in this guide, the reader is advised to consult the Table of Contents, appearing hereafter, as well as the Index, located at the end of this user guide.