Note that math mode ignores whitespace in fact this whole code could have been put on one line and still would have compiled correctly. For example Emc2 will give Emc2. This article explains how to insert spaces of different lengths in mathematical mode.
Vspace5inx_pm -fracb2apmfracsqrtb2-4ac2a TeX typesets the entire paragraph into lines but can only use the tcvspace commands when in vertical mode putting the lines together into a page.
Subscripts and superscripts Greek letters and various special symbols Thus math mode is also useful for some nonmathematical text. In certain cases it may be desirable to include normal text within an equation. Automatic numbering and cross-referencing. There are three ways to write a math equation in LaTeX and they are described as follows.