Title: TI nSpire CAS
Product review: The nSpire CAS is a more than capable calculator, althought the new OS and input system will throw veteran 89T users off, and especially those coming from other calculators like the 84. The screen is amazingly crisp and offers 4x better resolution than previous calculators; the capabilities of customization of graphs, &c. are amazing, and the interface is quite good once one adjusts. Four point nine nine stars out of five.
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