Hi, this has probably been discussed to death already, but maybe not: The point at which fancy graphing calculators become "necessary" (ie as in one's student career) is the point at which the calculator should be abandoned and Python employed. Just a thought ... delete at will !<br>
<br>-Charles<br clear="all"><br>-- <br>AsymptopiaSoftware|Software@theLimit<br> <a href="http://www.asymptopia.org">http://www.asymptopia.org</a><br>