This Texas Instruments BA II Plus Professional Financial Calculator is the perfect tool for anyone in need of accurate financial calculations. With its regular key size and display size, it provides ease of use and readability. Powered by batteries, this calculator has an automatic power down feature for extended battery life. The calculator's size is L 9.69 x W 6.57 x H 1.22 inches, making it a convenient size for both office and on-the-go use. It was manufactured in China and includes features such as financial calculations and more.