Ken Iverson’s “A Programming Language” was and is the basis for APL, both in terms of syntax and structure, history, and initial implementation at IBM Report comment Reply ...

ITworld: Let’s talk about syntax and programming. ... Petzold: Actually, I should mention that for less than a year I had a hot, torrid affair with an exotic language called APL.

Grammar and Syntax. Like human languages, each programming language has its own grammar and syntax, ... See APL. BASIC. Developed as a timesharing language in the 1960s.