Take your free-format skills to the next level * Master the entire range of functions and effectively leverage them * Acquire the knowledge necessary to write your own functions * Combine and nest built-in functions, subprocedures, C functions, and IBM APIs to produce highly modularized programs * Understand ILE concepts such as binding by copy, binding by reference, import/export of data, service programs, signatures, and binding directories * Learn how to analyze needs for a new program with respect to modularization and functions