Lisp is a (family of) general purpose programming language(s), based on the lambda calculus, and with the ability to manipulate source code as a data structure.

Introduction

The name LISP derives from "LISt Processing". It was originally created as a practical mathematical notation for computer programs. See wikipedia for more information.

Hello World Program in Lisp

;;; Hello World in Common Lisp

(defun helloworld ()
  (print "Hello World!"))

Popular dialects

Free Lisp Programming Books

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Code Language (used for syntax highlighting): lang-lisp