Twelve special fonts are provided with SAS/QC software. The SAS/QC procedures use these fonts to display symbols such as and , which are commonly encountered in statistical quality improvement applications. The procedure selects the special font that most closely matches the font used to display the other text on the graph. You can also use these fonts to display special symbols in the titles and footnotes of graphs. See the section Step 1: Preliminary Mean and Standard Deviation Charts for an example in which a special font is used to create a title for a control chart.