The REXX programming Language includes built-in Functions that simplify programming.
They provide an easy way to manipulate data strings o.
Functions are always available to you when you are writing your program.
A function is a built-in feature of the REXX language.
This book is about z/OS TSO REXX functions.
This book explains 78 REXX Functions that you can use in your REXX programs.
REXX Functions let you manipulate data strings or do mathematics simply with a minimum of programming effort.
The REXX programming Language includes built-in Functions that simplify programming