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).
When you are working only with numbers, rather than variables, the only way you can put two things side by side is when one or both are in parentheses, since 12 has to mean twelve, not 1 times 2. So often the first time you see this notation for multiplication, it involves parentheses.