<p>I think that there is a math tutoring center at Pitt. The people there would probably be able to answer your question.</p>
<p>Try sending an e-mail to someone here:</p>
<p><a href=“http://www.mathematics.pitt.edu/resources/mac-center.php[/url]”>http://www.mathematics.pitt.edu/resources/mac-center.php</a></p>