This Casio HR-100TE calculator is a versatile and reliable tool for any office or business. With its large key size and display size, it is easy to use and provides accurate calculations. The power source includes both a power cord and battery, ensuring consistent performance. This 2-color printing calculator is designed for easy tax exchange calculations and provides a clear and concise display. The model is a Big 12 Digit 2 Color Printing, with no modifications. It is a great addition to any office equipment collection and is perfect for business and industrial use.