The VintageLitronix 1102A Pocket Basic Calculator is a compact and reliable tool for everyday calculations. With an 8 digit display and the ability to calculate percentages, this calculator is perfect for office and business use. Powered by batteries, it is convenient to carry around in your pocket or purse. The regular key size and small display make it easy to use and read the results quickly. The Litronix brand ensures quality and durability, making this calculator a practical choice for anyone in need of a simple and efficient calculator for their office or business needs. tested works