The Casio FX-82D Scientific Fraction Calculator is a vintage retro calculator that comes with a hard case for protection. It is a reliable tool for scientific calculations, featuring an LCD display for ease of use. This calculator is powered by batteries and has a regular key size, making it a practical choice for business, office, and industrial settings. The Casio brand ensures quality and durability, making this model a valuable addition to any collection of office equipment. This is a used calculator in excellent condition the screen is clear and fully working as is the calculator. Its had new batteries fitted and tested. No box or instructions comes in its hard case . From a pet and smoke free home.