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).
Example: [(3 + 2) Ã (6 - 4) + 2] Ã 4. The parentheses group 3 and 2 together, and 6 and 4 together, and the square brackets tell us to do all the calculations inside them before multiplying by 4: