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%TCIDATA{<META NAME="ViewSettings" CONTENT="31">}
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%TCIDATA{<META NAME="Title" CONTENT="Frequently Asked Questions">}
%TCIDATA{Created=Mon Aug 19 14:52:24 1996}
%TCIDATA{LastRevised=Thu Feb 13 16:36:13 1997}
%TCIDATA{Language=American English}
%TCIDATA{CSTFile=MathHelp.cst}
%TCIDATA{<LINK REL="author" HREF="DM0-1.tex">}
%TCIDATA{<LINK REL="first" HREF="DM1-1.TEX">}
%TCIDATA{<LINK REL="contents" HREF="DM0-0.tex">}
%TCIDATA{<LINK REL="copyright" HREF="DM0-2.tex">}
%TCIDATA{<LINK REL="end" HREF="DM1-4.TEX">}
%TCIDATA{<LINK REL="index" HREF="DMIndex.tex">}
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\input{tcilatex}
\begin{document}


\section{Frequently Asked Questions}

Here, in question and answer form, are some situations that might arise when
you are working in a \textsl{Scientific Notebook} document.

\begin{description}
\item[Q:]  My screen has gotten cluttered with lines or marks that don't
belong there (or I can't see something on the screen that I know is there).
What can I do?

\item[A:]  Press \textsc{esc} to refresh your screen.

\item[Q:]  I pressed the space bar (\textsc{Enter} key) and nothing
happened. What can I do to get more spaces?

\item[A.]  A setting under \textsf{Tools + User} \textsf{Setup} will allow
you to enter multiple spaces (either horizontal or vertical) by pressing 
\textsc{spacebar} or \textsc{enter}. Choose the \textsf{Edit} page, click 
\textsf{Spaces} or \textsf{Enter}, and follow directions on the menu.

Alternately, when you need space, you can use \textsf{Insert + Spacing},
choose \textsf{Horizontal Space} or \textsf{Vertical Space}, and choose an
appropriate size space. If you check \textsf{Custom Space}, you can specify
the width or height of the space.

If you are in mathematics, you may not need more space. \textsl{Scientific
Notebook} automatically spaces mathematical symbols appropriately for most
situations. \textit{To keep a mathematical expression meaningful for
computation, be sure any added space stays in mathematics mode}.

\item[Q:]  What can I do if I hit the wrong key and get out of a fraction
(or exponent, or ...) before I want to?

\item[A:]  Click the position where you want to type.

\item[Q:]  What can I do if I type an expression in text mode that I meant
to have in mathematics mode?

\item[A:]  Select the expression with the mouse or select the expression
from the keyboard by placing the insertion point to the left of the
expression and pressing \textsc{shift} \textsc{+} \textsc{right} \textsc{%
arrow}. Then click the \textsf{Toggle} \textsf{Text/Math} button \FRAME{itbpF%
}{0.3009in}{0.3009in}{0.0701in}{}{}{text.wmf}{\special{language "Scientific
Word";type "GRAPHIC";display "PICT";valid_file "F";width 0.3009in;height
0.3009in;depth 0.0701in;original-width 16.0625pt;original-height
16.0625pt;cropleft "0";croptop "1";cropright "1";cropbottom "0";filename
'Text.wmf';file-properties "XNPEU";}} to change it to \FRAME{itbpF}{0.3009in%
}{0.3009in}{0.0701in}{}{}{math.wmf}{\special{language "Scientific Word";type
"GRAPHIC";display "PICT";valid_file "F";width 0.3009in;height 0.3009in;depth
0.0701in;original-width 20.3125pt;original-height 18.8125pt;cropleft
"0";croptop "1";cropright "1";cropbottom "0";filename
'Math.wmf';file-properties "XNPEU";}}.

\item[Q:]  What can I do if I cannot see all of my work on the screen either
horizontally or vertically?

\item[A:]  If a piece of mathematics extends beyond the width of the screen,
you can scroll horizontally using the scroll bars at the bottom of the
screen. To see more of your document on the screen at a time, you can reduce
the size of the screen font. Click \textsf{View} and choose \textsf{Working}%
. Click \textsf{Tools} and choose \textsf{User Setup}. Change the percentage
in the \textsf{Working View} box and click \textsf{OK}. (The \textsf{1x} on
the \textsf{View} menu gives 100\% and the \textsf{2x} gives 200\%. The
range for \textsf{Working View} is 50\% (very small) to 400\% (huge).)

\item[Q:]  How can I tell \textsl{Scientific Notebook} to save
automatically, at specified intervals, when I am working on a document?

\item[A:]  Click \textsf{Tools} and choose \textsf{User Setup}. Click the
check box by \textsf{Automatic Saving Every} (a number you set) \textsf{%
Minutes} if it does not show a check. Set the number of minutes between
saves. Click \textsf{OK}.

\item[Q:]  Help! I just deleted something I didn't mean to delete! What
should I do?

\item[A:]  Before you do anything else, click \textsf{Edit} and choose 
\textsf{Undo Deletion}.

\item[Q:]  I tried a computation and nothing happened (although my system
does carry out other computations). How can I find out what I did wrong?

\item[A.]  First choose \textsf{Maple + Define + Show Definitions} to see if
you have made a definition that is interfering with your computation. If so,
apply \textsf{Maple + Define + Undefine} to the variable or function that is
causing the problem.

If that does not solve your problem, click \textsf{Maple}, choose \textsf{%
Settings}, \textsf{General} page, and check the setting for 
\index{Settings@Settings!error level@error level}\label%
{Settings, error level} \textsf{Error Level}. With a setting of $0$, you get
no response to errors. With a setting of $1$, you get a warning sound with
an error. With the higher settings, you get messages with information about
the error---usually the error message generated by Maple. (Click 
\hyperref{Maple settings}{}{}{DM1-3.tex#Maple error levels} for more
detailed information about error levels.)

\item[Q:]  I chose \textsf{Find} from the \textsf{Edit} menu and I am trying
to search for a word. A response comes back immediately, telling me the
search is completed and the pattern was not found. But I know the pattern is
there. What can I do?

\item[A:]  Check to see if any portion of the document is selected. The 
\textsf{Find} feature searches only through the selected portion in this
case. If something is selected, click to get a blinking insertion point, and
try your search again. If you want to search the entire document, make
certain nothing is selected.

\item[Q:]  I tried to take the absolute value of an expression and nothing
happened. What is wrong?

\item[A:]  The symbols for absolute value are the vertical lines from the
dialog box under \textsf{Brackets }\FRAME{itbpF}{0.2992in}{0.2992in}{0.0692in%
}{}{}{fences.wmf}{\special{language "Scientific Word";type
"GRAPHIC";maintain-aspect-ratio TRUE;display "PICT";valid_file "F";width
0.2992in;height 0.2992in;depth 0.0692in;original-width
24.0625pt;original-height 22.5625pt;cropleft "0";croptop "1.0179";cropright
"1.0179";cropbottom "0";filename 'FENCES.WMF';file-properties "XNPEU";}}.
The keyboard vertical line will also work. Perhaps you used the vertical
lines from the symbol panel of \textsf{Binary Relations} below \FRAME{itbpF}{%
0.2992in}{0.2793in}{0.0692in}{}{}{binrels.wmf}{\special{language "Scientific
Word";type "GRAPHIC";maintain-aspect-ratio TRUE;display "PICT";valid_file
"F";width 0.2992in;height 0.2793in;depth 0.0692in;original-width
17.8125pt;original-height 16.9375pt;cropleft "0";croptop "0.9866";cropright
"1.0179";cropbottom "0";filename 'Binrels.wmf';file-properties "XNPEU";}}.
Although they appear similar, they are not the same symbols and will not be
interpreted as absolute-value symbols. The expanding brackets under the
Brackets button \FRAME{itbpF}{0.3009in}{0.3009in}{0.0701in}{}{}{fences.wmf}{%
\special{language "Scientific Word";type "GRAPHIC";display "PICT";valid_file
"F";width 0.3009in;height 0.3009in;depth 0.0701in;original-width
24.0625pt;original-height 22.5625pt;cropleft "0";croptop "1";cropright
"1";cropbottom "0";filename 'FENCES.WMF';file-properties "XNPEU";}}, the
expanding brackets \FRAME{itbpF}{0.3009in}{0.3009in}{0.0701in}{}{}{parens.wmf%
}{\special{language "Scientific Word";type "GRAPHIC";display
"PICT";valid_file "F";width 0.3009in;height 0.3009in;depth
0.0701in;original-width 17.8125pt;original-height 16.9375pt;cropleft
"0";croptop "1";cropright "1";cropbottom "0";filename
'Parens.wmf';file-properties "XNPEU";}} and \FRAME{itbpF}{0.2992in}{0.2992in%
}{0.0692in}{}{}{brackets.wmf}{\special{language "Scientific Word";type
"GRAPHIC";maintain-aspect-ratio TRUE;display "PICT";valid_file "F";width
0.2992in;height 0.2992in;depth 0.0692in;original-width
24.0625pt;original-height 23.3125pt;cropleft "0";croptop "1.0179";cropright
"1.0179";cropbottom "0";filename 'Brackets.wmf';file-properties "XNPEU";}},
and nonexpanding brackets from the keyboard are generally interchangeable,
although there are circumstances in which the keyboard brackets do not work
properly. In particular, the less-than and greater-than symbols on the
keyboard should not be used as brackets. These two symbols, as well as the
symbols on the panel below \FRAME{itbpF}{0.3009in}{0.3009in}{0.0701in}{}{}{%
binrels.wmf}{\special{language "Scientific Word";type "GRAPHIC";display
"PICT";valid_file "F";width 0.3009in;height 0.3009in;depth
0.0701in;original-width 17.8125pt;original-height 16.9375pt;cropleft
"0";croptop "1";cropright "1";cropbottom "0";filename
'Binrels.wmf';file-properties "XNPEU";}}, are binary relations and generally
will not be interpreted as brackets.

\item[Q:]  How\label{Interpreting expressions} can I be sure exactly how 
\textsl{Scientific Notebook} is interpreting my mathematical expression?

\item[A:]  Select the expression and press \textsc{ctrl} \textsc{+} \textsc{?%
}. \textsl{Scientific Notebook} will return the expression in an unambiguous
form. For example, \textsc{ctrl} \textsc{+} \textsc{?} produces 
\[
a/bc=\frac{a}{bc}\text{\qquad \quad }\sin x/y=\sin \frac{x}{y}\text{\qquad
\quad }\int xy=\int xy\,d? 
\]
If the interpretation that appears is not the one that you intended, you can
add parentheses or change the expression some other way to remove the
ambiguity.
\end{description}

\subsection{\ Related topics}

\begin{itemize}
\item  \hyperref{Selecting an expression}{}{}{DM1-3.tex#Selecting an
expression}

\item  \hyperref{Interpreting Expressions}{}{}{DM1-3.tex#Interpreting
expressions}

\item  \hyperref{Stopping a Computation}{}{}{DM1-3.tex#Stopping a computation%
}

\item  \hyperref{Maple Error Levels}{}{}{DM1-3.tex#Maple error levels}
\end{itemize}

\rule{0.67in}{0.01in}

\hyperref{\FRAME{itbpF}{0.5275in}{0.3399in}{0.0519in}{}{}{index.wmf}{\special%
{language "Scientific Word";type "GRAPHIC";display "PICT";valid-file
"F";width 0.5275in;height 0.3399in;depth 0.0519in;original-width
36.125pt;original-height 22.5625pt;cropleft "0";croptop "1";cropright
"1";cropbottom "0";filename 'index.wmf';file-properties "XNPEU";}}}{}{}{%
DMIndex.tex#Math Index}\quad {\small Index entries: \hyperref{Interpreting
expressions}{}{}{DMIndex.tex#Interpreting expressions}, \hyperref{Error level%
}{}{}{DMIndex.tex#Error level}, \hyperref{Maple settings}{}{}{%
DMIndex.tex#Maple settings}, \hyperref{Stopping a computation}{}{}{%
DMIndex.tex#Stopping a computation}}

\end{document}
