Mathematics and writing are two very different subjects; therefore, it can be hard to seamlessly transition from one to the other in a technical report or other document. When including a mathematical expression in your writing, it is important to keep several things in mind.
First of all, short expressions should not be broken at the end of a line. Space out the lines so that the expression will begin at the beginning of the next line, or center it on a line by itself. If a longer expression needs to be divided, break before the +, -, or =.
Parenthesis, brackets, braces, and summations marks should be the same height as the numbers and/or variables they include. All letter symbols should be italicized whether capitalized, lower case, exponent, or subscript.
Connecting words of explanation such as where should be set flush to the left on the same line as the equation or a separate line.
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