This Casio MH-12-WE desk calculator is designed for ease of use and accuracy. It features an extra-large 12-digit LCD display to minimize errors, and a backspace key for quick corrections. The calculator is powered by both solar and battery, ensuring functionality in various lighting conditions. It includes essential functions such as percentage calculation and square root calculation. Additional features include plastic keys, key rollover, three-digit comma markers, a double-zero key, and a grand total memory. Its compact dimensions are 27.6 x 127 mm (h x w).