Bel is interesting, not least because it highlights the enduring and improbable longevity of one of the earliest high-level programming languages. That’s no small feat, especially given the ...

In the previous chapter, you were introduced to AutoLISP, AutoCAD's macro and programming language. You learned that you can take advantage of this powerful tool without really having to know anything ...

Sometimes an AutoLISP program needs to open an existing file, because you want to either read data from it or add data to it. To demonstrate this kind of file management and to show you a little more ...

Lisp (historically, LISP) is a family of computer programming languages with a long history and a distinctive, fully parenthesized Polish prefix notation. Originally specified in 1958, Lisp is the ...

This hardware badge is a computer programmed with Lisp. You can write your own programs right on the badge using the built-in keyboard, as long as you know Lisp. If there’s one thing we really like to ...

John McCarthy, creator of the Lisp programming language and pioneer in utility computing—the forerunner of today’s cloud computing—died Sunday in Stanford, California. He was 84. AI master: John ...