Talk:Comparison of Texas Instruments graphing calculators

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[edit] Predecessors

Does anybody else think that the predecessors list is a dumb addition to this page? They're in order! In addition, the 81 lists "no predecessors," but what about the 80? 159.250.29.18 20:11, 13 November 2007 (UTC)

The TI-89 Titanium isn't in order. The TI-92 was actually before it.--71.255.53.94 (talk) 22:34, 22 November 2007 (UTC)

It should be noted that the TI graphing calculators are in several different families. The 81,82,83s, and 84s are all in a family geared toward high school students. The 85 and 86 were geared toward college and engineering. The 89s, 92s were geared for very advanced applications, etc. The 80 was designed, I believe, for middle schoolers as an entry level graphing calculator. That was the reason for the predecessors and superceedors. However, it is a feature that could be done without. Anyone else have thoughts on this? Benrr101 (talk) 02:43, 4 February 2008 (UTC)

How could a calculator that was released in 1995 have been superseded by a calculator that was released in 1990? Is this some new usage of "superseded" that I am unaware of? 75.72.244.42 (talk) 02:58, 6 March 2008 (UTC)