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- Texas Instruments TI-81 Handheld Electronic Calculator
- Texas Instruments TI-81 Handheld Electronic Calculator with Cover
- Three Graphing Calculators, the Casio fx-7000G (2000.0146.01), the HP-28C (1999.0291.01), and the TI-81 (1999.0285.01)
- Three Graphing Calculators, the Casio fx-7000G (2000.0146.01), the HP-28C (1999.0291.01), and the TI-81 (1999.0285.01)
- Three Graphing Calculators, the Casio fx-7000G (2000.0146.01), the HP-28C (1999.0291.01), and the TI-81 (1999.0285.01)
- Three Graphing Calculators, the Casio fx-7000G (2000.0146.01), the HP-28C (1999.0291.01), and the TI-81 (1999.0285.01)
- Three Graphing Calculators, the Casio fx-7000G (2000.0146.01), the HP-28C (1999.0291.01), and the TI-81 (1999.0285.01)
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