Disqus - Latest Comments for Ianhttp://disqus.com/people/71355857c8ceb30b89851f3b1c074dd3/enThu, 14 Aug 2008 14:37:19 -0000Re: The TI-89 is the Math Student’s Best Friendhttp://jrblog.disqus.com/the_ti_89_is_the_math_student8217s_best_friend/#comment-2941439The TI-89 is an excellent calculator. My pre-calc - calc 3 teachers banned us from using them in class because they can do differentian and anidifferentian for you. Excellent tool for Math, Science& engineering majors.IanThu, 14 Aug 2008 14:37:19 -0000