This vintage Casio BIG 12 Digit 2 Color Printing HR-150TE is a desktop calculator designed for tax and exchange calculations. The feed works and it has ink- even comes with a roll of paper! It features a large key size for easy use and a regular display size for clear viewing. This calculator utilizes a power cord and battery for added convenience. With its reliable Casio brand and specific model, this printing calculator is perfect for businesses needing precise financial calculations. TESTED-WORKS GREAT!!