computer programming language for use in business operations, 1960, U.S. Defense Department acronym, from "Common Business-Oriented Language."
"the science of quantity; the abstract science which investigates the concepts of numerical and spatial relations," 1580s; see mathematic (the older form of the word in English, attested from late 14c.) + -ics. Originally one of three branches of Aristotelian theoretical science, along with first philosophy (or metaphysics) and physics (or natural philosophy).
waterproof outer coat or cloak, 1836, named for Charles Macintosh (1766-1843), inventor of a waterproofing process (patent #4804, June 17, 1823). The Mcintosh type of apple was named for John McIntosh of Upper Canada, who began selling them in 1835. The surname is from Gaelic Mac an toisich "Son of the chieftain." As a name of a type of computer it is attested from 1982.
In an interview with The Wall Street Journal, [President and CEO A.C.] Markkula said "more than three new products" are scheduled to be announced within the next year. Among them will be a high-end, personal business computer code-named "Lisa" and a limited, less expensive business computer called "Mackintosh." [Computerworld, Oct. 18, 1982]