6. APL AAPL is the stock symbol of Apple, Inc. APL is a programming language. I see very little difference between the two.

APL, or A Programming Language, is another programming language. One of the most striking aspects of APL is that it uses a non-standard character set for some of its operators and coding.

YAKIMA, Wash. — A West Valley-based software company is conducting its 15th annual workshop on the APL programming language for high school students in October.

APL programming language is used to edit and print identification keys constructed in serial key format. Printout options include printing the full key or its parts, in either serial or indented form.