 There are some DX techniques outlined in the <a href="http://www.tc.cornell.edu/DX/DXtips.html"> DX Repository </a>  which may be useful later in the semester. You may also want to look at some  <a href="http://www.tc.cornell.edu/Visualization/contrib/cs490-94to95/StudentProj94to95.html">  student programming projects </a> using DX. <li>
