great calculator. does everything promised. packaged perfectly. came BEFORE expected. ONLY problems: no mention of lacking batteries, which was NOT much of a problem (4 AA); and no booklet to explain functions on calculator, but if you know your way around a TI graphing calculator, you should have no problems picking up this one. If you're wondering about this seller's integrity: I say the price was well-worth it AND I would DEFINITELY shop at this place again. Just ask questions up front if you have any, BEFORE you buy rather than assume.Get more detail about Texas Instruments TI-83 Plus Graphing Calculator.
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