abbreviation Technical meaning of A-3 ARITH-MATIC 3
noun Definition of a-3 in Technology (language) An extension of Grace Hopper's A-2 programming language, developed in about 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of Remington Rand UNIVAC. 1
noun a-3 (military) Air operations and training officer. 0
noun a-3 (military) Operations and training section of an Air Force staff. 0
