ARITH-MATIC
Synonyms
A-3
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.
http://cispom.boisestate.edu/cis221emaxson/hophtm.htm.
[How was A-2 extended?]