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).
The brackets, {statement}, means the set of all objects which satisfy that statement. The [math]\in[/math] symbol stands for in or is a member of The [math]R[/math] stands for real numbers, and [math]R^2[/math] stands for the real plane. The pipe symbol, |, adds another condition. Think of it as saying and or such that.