The HP 10bII+ Financial Calculator is an essential device for anyone involved in business, finance, or statistics. With its power OFF memory protection, this calculator ensures that your calculations are saved even when the device is turned off. It features a clear LCD display that shows up to 12 digits, making it easy to read results. The calculator is battery powered, using two CR2032 batteries, and is compact with dimensions of 5.7" height, 3.1" width, and 0.6" depth. It includes dedicated keys for quick access to common financial and statistical functions, allowing users to perform a variety of calculations efficiently. Whether you're a student or a practicing professional, the HP 10bII+ is designed to help you solve complex calculations accurately and quickly.