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Ti 89 calculator with batteries. Small ink mark on left of screen. | Calculator, Graphing calculator, Graphing
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Can my Ti-89 Titanium calculator be fixed with this corrosion on one of the battery pads on the PCB? : r/AskElectronics
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USED TI-89 TITANIUM Texas Instruments Graphing Calculator with Cover & Batteries - $59.49 | PicClick
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