At this time what is available for the Fall '06 and Fall '07 Exams are 
the answers, but not complete solutions.  Also all problems where the 
answer calls for a picture are omitted.  See below.
<p>
<a href=139Fall06ExamAnswers.pdf>Answers to the Fall '06 Exam</a> <p>
<a href=139Fall2007ExamAnswers.pdf>Answers to the Fall '07 Exam</a>
<p>