SDC-810NR Office Desktop Calculator – 10 Digit Dual Power (Solar + Battery), Professional Display The SDC-810NR Desktop Calculator is a perfect blend of reliability, efficiency, and style for your daily office or home use. With its large 10-digit angled LCD display, it offers superior visibility and ease of use. Powered by both solar energy and battery (Battery included), it ensures consistent performance with energy-saving features like automatic shut-off. Designed with essential keys such as memory recall (MRC), percentage, sign change, and a convenient double zero (00) button, this calculator is built for quick, efficient calculations. Its sleek black finish and professional look make it an ideal fit for any modern workspace. With water- and dust-repellent construction, the SDC-810NR is durable and dependable.