Casio AI-1000 Pocket Lisp Computer from 1989

This video is about the remarkable Casio AI-1000, a pocket computer from 1989 that supported the Lisp programming language. In this video I walk through its basic usage, using the Lisp REPL, defining Lisp functions, functions that return functions and macros. For more information about the AI-1000 checkout the following links: - - - (includes a photo of John McCarthy using the AI-1000) For a simulator of the device, see the excellent Pocket Emul app: For another simulator written in Delphi that includes the disassembled Lisp ROM, check out And for more calculator videos, check out my stream