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\begin{center}
  {\Large \bf Notes}
\end{center}

\begin{description}

\item[comments] Comments start with // and are ignored by the
  compiler.

  \begin{itemize}
  \item Use comments at the start of the program to indicate its
    purpose, who wrote it, and when it was modified.
  \item Use comments to describe every variable you declare.
  \item Usually, you get better results by using the comments to
    decribe what is going to come, not what has already been written.
  \end{itemize}

\item[Blank Lines] Use blank lines to visually group statements
  together where appropriate.

\item[Fixed Decimal Point] To set a fixed decimal point, with two
  digits behind the point, use:\\
  \verb^cout << setprecision(2) << setiosflags(ios::fixed)^

\end{description}
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