http://blog.jr.com/the-ti-89-is-the-math-students-best-friend/ J & R: Tech, Gadgets, Gossip and Music Blog Mon, 23 Nov 2009 15:24:17 +0000 http://wordpress.org/?v=2.7.1 hourly 1 http://blog.jr.com/the-ti-89-is-the-math-students-best-friend/comment-page-1/#comment-30588 Ian Thu, 14 Aug 2008 18:37:19 +0000 http://blog.jr.com/the-ti-89-is-the-math-students-best-friend/#comment-30588 The 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. The 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.

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