Example of a fourth level heading

A fifth level heading is indicated by a line space above with the heading in normal type not indented.

A fifth level heading is indicated by a line space above with the heading in normal type not indented. Example of an equation

x = $\displaystyle {\frac{{y+2/2}}{{y^{2}+1}}}$.

The text following an equation is automatically indented unless the following is adopted

x = $\displaystyle {\frac{{y+2/2}}{{y^{2}+1}}}$

in which case the text is flush left. A fifth level heading is indicated by a line space above with the heading in normal type not indented. A fifth level heading is indicated by a line space above with the heading in normal type not indented. Example of a reference. Either of LATEX's systems may be adopted [1]. A fifth level heading is indicated by a line space above with the heading in normal type not indented. A fifth level heading is indicated by a line space above with the heading in normal type not