http://ohgizmo.disqus.com/enThu, 12 Feb 2009 06:07:29 -0000http://www.ohgizmo.com/2007/10/25/ti-nspire-graphing-calculator/#comment-6203581quick question wat is the diffrence between this and the older version calculator..??deeThu, 12 Feb 2009 06:07:29 -0000