Quarter square

(Math.) the fourth part of the square of a number. Tables of quarter squares have been devised to save labor in multiplying numbers.

See also: Quarter

References in periodicals archive ?
Make Quarter Square Triangle (QST) units in 2" or 3" size in no time using Q Strips.
Most WIHA properties are anywhere from a quarter square mile to one or two square miles, but larger tracts with limited access are available, particularly in western Kansas.
They'd occupy a quarter square mile in water between 165 and 225 feet deep, and they'd generate as much as 1.
The event is taking place in Cafe Quarter Square, Lower High Street, from 6pm tonight.
Later in the war, large numbers of allied prisoners were held in Changi -- 11,700 crammed into an area less than a quarter square kilometer.
Crews from seven stations of Staffordshire Fire Brigade won a hard fight yesterday to prevent flames from a bracken fire on Bracton Common, Cannock Chase, reaching the Forestry Commission plantations covering five and a quarter square miles.
The best-known quarter square is probably that in Borgmann's Language on Vacation.
I found almost 500 quarter squares, and these account for an estimated 29% of all ten-squares, despite tautonyms being a mere 0.
Wagner's average count of 10 larvae per quarter square meter translates to an estimated 160,000 larvae per acre; he has observed as many as 40 larvae per quarter square meter.