This reminds me of Deadfish (it even has a square instruction in one of the extensions!). The "can output anything a Turing complete machine can" is false; it can only output a finite amount of data, because it has no way to loop. --ais523 21:28, 2 April 2008 (UTC)
At some point during a rewrite of the language, it gained the ability to loop the entire program from the beginning. No specification of whether accumulator changes or not as yet. Schemer 11:52, 6 August 2008 (UTC)
ABC is also true programming language. Read [this http://en.wikipedia.org/wiki/ABC_(programming_language)] for more details.
That is why I put "This language has nothing to do with the real programming language ABC." in the article. --Orange 06:25, 20 August 2008 (UTC)