This Texas Instruments Ti-86 Graphing Calculator is a versatile tool for anyone in need of a reliable and functional calculator. With its compact handheld size and battery-powered operation, it's perfect for on-the-go use. This calculator has a variety of features, including calculus and programmable options, making it a great choice for business, industrial, and office use. The calculator also includes a cover for protection against wear and tear. The brand, Texas Instruments, is well-known for producing high-quality calculators, and this model is no exception. Whether you need a basic, scientific, or graphing calculator, this Ti-86 will meet your needs without mentioning the condition of the item.