6.10 Chapter Summary

This chapter covered these topics:

• what a module is and how it differs from a procedure
• about libraries, and the hierarchy of I/O modules
• about mathematical functions in the library
• how to create libraries of your own
• the different kinds of libraries

It included discussion of the following Modula-2 built-ins:

Imports--all contents of:

STextIO, SWholeIO, and SRealIO

or

InOut and RealInOut (many variations possible)

Terminal (where applicable)

Screen (where applicable)

RealMath and LongMath

or

MathLib0 and MathLibLong (many variations possible)