Brand: Texas Instruments Model: TI-84 Plus (MPN: TI-84 Plus) Type: Graphing calculator with monochrome LCD display and full-function keypad for algebra, calculus, statistics, and graphing. Power: Battery powered (4×AAA) with backup battery compartment; requires standard AAA batteries. Connectivity: USB mini-B port and I/O jack for data transfer and link cables; supports TI-84 Plus programs and file formats. Country of Origin: Made in Philippines Protective slide-on cover and calculator shown in photos; see images for detail and ports.
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