Whether presenting in a boardroom, off an iPad, over the Web or as a print-out, the right delivery is the difference between a great presentation and, at best, a missed opportunity and, at worst, a presentation disaster. All the other elements donât matter if the delivery doesnât work.
Parentheses have a great many specialized meanings in mathematics. A few of these are described below. 1. Parentheses are used in mathematical expressions to denote modifications to normal order of operations (precedence rules).
noun. 1  Something having a position, quality, or condition midway between extremes; a medium. 2  Mathematics a. A number that typifies a set of numbers, such as a geometric mean or an arithmetic mean. 3  Logic The middle term in a syllogism. 4  means used with a sing. or pl.