Free-Format RPG IV: The Express Guide to Learning Free Format

This guide offers a comprehensive introduction to free-format RPG IV programming, emphasizing improved productivity, readability, and maintenance. Author Jim Martin provides clear explanations of rules, syntax, and style issues, including named indicators and built-in functions. Key topics covered include input/output, program flow, data manipulation, and math operations. Updated for V7.1 of the IBM i operating system, the third edition includes a new chapter on recent specifications and revised programming examples, streamlining the learning process for programmers looking to enhance their skills.