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→Examples: add comment about $ and $$
==Examples==
==Examples==
\documentclass[12pt]{article} %Specifies the font size and the document style
\documentclass[12pt]{article} %Specifies the font size and the document style
\begin{document} %Begins the document
\begin{document} %Begins the document
$$\sqrt{\frac{1}{4}} = \frac{1}{2}$$
$$\sqrt{\frac{1}{4}} = \frac{1}{2}$$ %Dollar sign ($) delimits math expressions; $$ delimits math expressions displayed centered on their own line
\end{document} %Document closing tag
\end{document} %Document closing tag
This LaTeX code would output:
This LaTeX code would output: