AutoLISP / Visual LISP

AutoLISP is a dialect of the Lisp programming language, featuring a graphical user interface for creating AutoCAD drawings. It is one of the earliest embedded programming languages, first appearing in AutoCAD Release 10 in 1986. AutoLISP was created to automate repetitive tasks in AutoCAD, and allows users to create their own custom commands and functions. It is a powerful tool for customizing AutoCAD, and can be used to create complex drawings and programs. AutoLISP is based on the Lisp programming language, and shares many of its features, including its list-based data structure, powerful symbol manipulation capabilities, and ability to extend and modify itself. However, AutoLISP also has some unique features, such as its graphical user interface and integration with AutoCAD. AutoLISP is a powerful tool for customizing AutoCAD and creating complex drawings and programs. It is easy to learn for beginners, and can be used to create simple or complex programs. AutoLISP is a versatile language that can be used for a variety of purposes, and is an essential tool for anyone who wants to customize AutoCAD.