The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

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All products featured on WIRED are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. Most powerful TI model allowed ...

Can I use a normal 1/8th in mini plug to connect one TI-89 to another? I lost the original.<BR><BR>Or is it the equivilant of a Cat5 cross over cable where the two are reversed so the send/receives ...

Math students have a love-hate relationship with the funky, expensive TI-84 graphing calculators, but thanks to a new deal, they'll soon get a free option. Starting this spring, pupils in 14 US states ...