LISP 0.5 - LISP 0.5 for the Newton is an interpreter for a subset of the LISP language. LISP is a functional list-processing language that supports recursion. It is the language of choice for artificial intelligence applications, and later dialects such as Common LISP and Scheme are currently in active use. The version of LISP implemented by this package is approximately a subset of any modern LISP. We assume that the user is familiar with some dialect of LISP or has found a textbook to explain the rudiments. Includes 22 built-in functions, including integer arithmetic and the ability to load definitions from Notes folders. Freeware.