powerup &raquo; Graphing Calculator - Edited Oct 18, 2007 8:00 am by <a class="userLink" href="http://www.tie.wikispaces.net/user/view/jrising" style="outline: none;"><img src="http://www.tie.wikispaces.net/i/user_none_sm.jpg" width="16" height="16" alt="jrising" class="userPicture" /> </a> <a class="userLink" href="http://www.tie.wikispaces.net/user/view/jrising" style="outline: none;">jrising</a>