Editing ARITH-MATIC (section)

{{distinguish|Arithmetic}}
{{more footnotes|date=March 2013}}
'''ARITH-MATIC''' is an extension of [[Grace Hopper]]'s  [[A-2 (programming language)|A-2]] [[programming language]],<ref>{{cite book|last=Sammet|first=Jean|authorlink=Jean E. Sammet|date=1969|title=Programming Languages: History and Fundamentals|publisher=Prentice-Hall|isbn=978-0-13-729988-1|pages=132}}</ref> developed around 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of [[Remington Rand]] [[UNIVAC]].

<!--How was A-2 extended?. Answer: I found in the book of Sammet, page 132, this words: 'A-3 (also called ARITH-MATIC) was an improvement of, but not completely compatible with, A-2. It also provided a number of additional facilities which were not in A-2"
-->