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%TCIDATA{<META NAME="Title" CONTENT="Automatic Substitution">}
%TCIDATA{Created=Mon Aug 19 14:52:24 1996}
%TCIDATA{LastRevised=Fri Feb 14 04:19:23 1997}
%TCIDATA{Language=American English}
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\begin{document}


\section{Automatic Substitution}

In mathematics, you can substitute expressions for sequences of letters and
numbers. Some substitution strings are predefined; you can also define your
own. Automatic substitution can be disabled at any time.

\subsubsection{$\blacktriangleright $\quad To define a new automatic
substitution sequence}

\begin{enumerate}
\item  From the Tools menu, choose Automatic Substitution.

\item  In the Keystrokes box, type the substitution sequence using numeric
and alphabetic characters only. The sequence is case-sensitive.

\item  In the Substitution box, type the replacement expression. The
expression can be any valid mathematics expression. Use the menu commands
and buttons as necessary.

\item  Choose Saves

\item  Choose OK.
\end{enumerate}

\subsubsection{$\blacktriangleright $\quad To apply an automatic
substitution sequence}

\begin{enumerate}
\item  Start mathematics.

\QTP{itemize}
\item  Type the substitution sequence.
\end{enumerate}

\subsubsection{$\blacktriangleright $\quad To edit a replacement expression}

\begin{enumerate}
\item  From the Tools menu, choose Automatic Substitution.

\item  Select the substitution sequence for the expression you want to edit.

\item  Edit the expression in the Substitution box.

\item  Choose Save.

\item  Choose OK.
\end{enumerate}

\subsubsection{$\blacktriangleright $\quad To delete a substitution sequence
and its corresponding replacement sequence}

\begin{enumerate}
\item  From the Tools menu, choose Automatic Substitution.

\item  Select the substitution sequence for the expression you want to edit.

\item  Choose Remove.

\item  Choose OK.
\end{enumerate}

\subsubsection{$\blacktriangleright $\quad To turn automatic substitution on
or off}

\begin{enumerate}
\item  From the Tools menu, choose User Setup.

\item  On the Edit tab sheet, check or uncheck the Automatic Substitution
box.
\end{enumerate}

or

\begin{enumerate}
\item  From the Tools menu, choose Automatic Substitution.

\item  Check or uncheck the Enable Automatic Substitution box.
\end{enumerate}

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