This calculator is tested and fully functioning!! The Texas Instruments Advanced Scientific TI-81 Graphics Calculator is a handheld device that combines scientific and graphing capabilities. With a regular key size, it is powered by batteries and is designed specifically for Texas Instruments brand. Model 81 offers users advanced functionalities for solving equations, creating graphs, and analyzing data in a compact and convenient package. Ideal for students, professionals, and anyone needing precise calculations on the go.
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