This Casio HR-8TE Plus-W 12-Digit Display Portable Printer AD-A60024 Adding Machine is a top-of-the-line scientific calculator designed for business and industrial use. With a regular key size and a desktop size, it is perfect for office equipment. This calculator runs on battery power and has a variety of features that make it a must-have for any business professional. The Casio HR-8TE Plus-W is a reliable and efficient calculator that provides accurate results every time. Its 12-digit display makes it easy to read and understand numbers, and the addition machine feature allows for quick and easy calculations. This calculator is perfect for anyone who needs to do complex calculations quickly and accurately.