Reports longer than 2 or 3 pages should have page numbers . When typing math formulas in a report, readability is often improved by centering the formula on a line by itself. The equation editor is an excellent tool for typing mathematics. If you want a lesson on using it, come by my office. Think about the paragraph lengths and contents.
Long paragraphs can make the text seem harder to read than it really is.
If a paragraph is more than a third of a page long, it should probably be split into two.