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\begin{center}
  \textbf{Frequently Asked Questions About the Final}
\end{center}

\begin{itemize}

\item What is the difference between $H(t)$ and $h(t)$?

  \begin{itemize}
  \item $H(t)$ is defined and periodic on $[0,\infty)$.  It's
    definition
involves an infinite series.  Maple can't do things like plot it
or use it as a forcing function.  $h(t)$ only has to agree with
$H(t)$ on $[0,10 \pi)$.  Maple can work with it, but $h(t)$ is
not periodic and doesn't agree with $H(t)$ after some time $t_0$
(probably $10*\pi$).
  \end{itemize}

\item My plot of the numerical solution only shows the axes and 
not the solution.

\begin{itemize}
\item Depending on how you defined $h(t)$ (there are a number of
  correct
ways), \textbf{dsolve(...,numeric)} may have a problem because $h(t)$
is discontinuous at 0, where the initial conditions are given.  You
can take care of this by changing the initial condition to be given
at $0.001$.  (This has hardly any effect on the solution.)
\end{itemize}

\item Will you have office hours Tuesday?

  \begin{itemize}
  \item I won't know until the last minute.  I am scheduled to be a 
docent at the Witness and Legacy exhibit at 10 tomorrow morning.  
If I am done in time, I will have office hours late in the morning.
I have a committee meeting at 12:15, which I hadn't expected two
months ago when I signed up to be a docent in the morning.  
I don't know how long the meeting will last.  If possible, I will
have office hours right after the meeting, but I have to leave at
2:30.  I will post an announcement on the home page for the course
if I am able to have office hours either time.

In any case, I do expect to have time to check email messages
which I receive by noon Tuesday and respond to them from my office.
While I also check email from home, I may not be able to load
a Maple worksheet.
  \end{itemize}

\item Can I turn in the bonus question later in the week?

  \begin{itemize}
  \item No, it is due at the time of the exam.  You had two weekends
and two study days to see the exhibit, so if you planned ahead, that's
plenty of time.  
  \end{itemize}

\end{itemize}
\end{document}

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