language (Or A0) A language for the UNIVAC I or II, using

three-address code instructions for solving mathematical

problems. A-0 was the first language for which a compiler

was developed. It was produced by Grace Hopper's team at

Remington Rand in 1952. Later internal versions were A-1,

A-2, A-3, AT-3. AT-3 was released as MATH-MATIC.