Staples Hand-held Calculator is a mini desktop calculator designed with an antimicrobial agent that helps reduce the growth of microbes and bacteria, preventing odors and discoloration. It features a large, angled 10-digit display that is easy to read, making calculations straightforward and efficient. This calculator includes automatic tax keys to quickly calculate tax amounts to be added or subtracted from the price. Additional functions include cost, sell, and margin keys, a percent key, square root, change sign, and three independent memory keys. The dual-powered design runs on solar power with a battery backup, and it comes with an included replaceable AG13 battery. Environmentally conscious users will appreciate that this eco-friendly calculator is made from post-industrial recycled plastic, combining functionality with sustainability. Model Number: VCT11003A