This Texas Instruments TI-30X IIS scientific calculator is a powerful tool for any student or professional in need of accurate calculations. With a regular-sized keyboard and display, this handheld calculator is both easy to use and convenient to carry. It has both solar and battery power sources, making it reliable in any situation. The TI-30X IIS has many features including an LCD display, backlight, calculus functions, and programmable capabilities. Its brand and model, Texas Instruments TI-30X IIS, are well-known for their quality and precision. This calculator falls under the categories of calculators, office equipment, and business & industrial products.