This includes information for the RPG/400(R) programming language and compiler.

RPG/400 Reference
This manual is a reference for the RPG/400(R) compiler. Topics covered in this manual include RPG specifications, RPG indicators, the RPG program cycle, operation codes, RPG words with special functions, arrays and tables, how to edit numeric fields, general file considerations, and double-byte character set (DBCS) support.

RPG/400 User's Guide
This manual is a guide for the RPG/400 programming language using the i5/OS(TM) operating system. Topics covered in this manual include designing, coding, entering and compiling, testing and debugging, and learning about sample programs.