This is a Texas Instruments TI-57 II calculator, a programmable scientific calculator that was popular in the 1980s. The calculator is in good condition, with a silver metal body and a clear LCD display. It features a wide range of functions, including trigonometric, logarithmic, and statistical calculations, as well as programming capabilities. The calculator has a compact design, making it easy to carry around. The keys are well-labeled and easy to use, with a separate section for programming functions. The display is clear and easy to read, showing up to 10 digits. Key features and specifications: * Programmable scientific calculator * Trigonometric, logarithmic, and statistical functions * Compact design with a silver metal body * Clear LCD display * Programmable keys * Dimensions: approximately 6 inches x 3 inches x 0.5 inches (15 cm x 7.5 cm x 1.3 cm) Condition: The calculator appears to be in good condition, with some minor signs of wear and tear. The keys are clean and functional, and the display is clear and easy to read. Brand: Texas Instruments Model: TI-57 II