quarter-square multiplier

quarter-square multiplier

[′kwȯrd·ər ‚skwer ′məl·tə‚plī·ər]
(computer science)
A device used to carry out function multiplication in an analog computer by implementing the algebraic identity xy = ¼[(x + y)2- (x-y)2].
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.