This calculator comes with the case, and works great. I just no longer have a use for it. Please see the last pic, on the case my mom wrote my name in sharpie so it didn’t get lost in school, and now it will not come off. That is the only issue to be pointed out The Texas Instruments TI-89 Titanium Graphing Calculator in black is a sleek and powerful tool designed for mathematical calculations. With its regular display size and battery power source, this calculator is convenient for on-the-go use. The graphing capabilities, along with its programmable features, make it ideal for students, professionals, and anyone in need of advanced mathematical functions. Built by the trusted brand Texas Instruments, this model promises accuracy and efficiency in a compact design.
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