(3) TI-30X IIS: Three models are shown in black, blue, and green. These are popular scientific calculators commonly used for middle school and high school mathematics and science courses. (1) TI-30Xa: (with lid) One gray model is visible. This is a basic scientific calculator, often used for similar educational purposes as the TI-30X IIS. (1) TI-34 II: One blue model is present. This is a more advanced scientific calculator, often favored for pre-algebra and algebra, offering features like fraction calculations and unit conversions All have been tested and have been reset with the rest button. Smoke/pet free home
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