About This Book
This publication, APL2/370 Programming: Using the Supplied Routines, describes and explains how to effectively use the workspaces and external routines distributed with IBM APL2. It is intended for all APL2 users on CMS or TSO for System/370 or System/390.
Key Features and Content
- Comprehensive coverage of APL2 workspaces, including general purpose, display terminal, environment-dependent, and file auxiliary processor workspaces.
- Detailed explanations of external routines and their programming interfaces, such as APL2PI, ATP, ATR, and others.
- Guidance on using specific workspaces like DISPLAY, EXAMPLES, MATHFNS, UTILITY, CHARTX, GDMX, and GRAPHPAK.
- Information on interacting with system environments like CMS and TSO, and file services.
- References to related IBM APL2 publications for further learning and support.
Trademarks
This document acknowledges various IBM trademarks including APL2, GDDM, DB2, and others, as well as trademarks from other companies like Sun Microsystems, Inc.
Conventions
The document outlines conventions used for syntax representation, including the use of lowercase italics for user-provided values, uppercase for keywords, and brackets/braces for optional or alternative selections.