Macro Language Reference > PIs > Formatting Instructions > $$
  
$$
Description
This instruction will render mathematical code or place specific items with special PTC ALD inline Maths commands (such as rasters, object graphics and text streams) on a separate line.
Syntax
<$$ placement:t?>
<$$>
placement
Specifies the horizontal placement of the attribute in the column.
Additional Information
This command PI is most commonly used in PTC ALD for rendering TeX and LaTeX mathematical typesetting markup. The sample below shows a relatively simple formula.
<$$>y=\sum^{x=5}_{x=0}{1\over x^2}\mathop{\rm dx}<$$>