12 Large Digital LCD ScreenThe calculator can display 12 digits, the screen is clear and does not hurt the eyes, which is convenient for long-distance reading. The keyboard takes the big keys with human use and convenient for touch. Easy-to-use and clean plastic buttons Dual PowerSolar powered with enough light and instant switch to battery in low light, battery not included, calculator can be powered off automatically to save energy. Sensitive and large buttons The calculator buttons are made of high quality plastic, large buttons are more comfortable, so that your experience is more satisfied. A good partner for workThe calculator can perform general mathematical calculation functions and various financial calculation functions, speed up calculation processing, help you reduce calculation errors and improve calculation accuracy . Multi-FunctionIdeal for home and office: This simple calculator is suitable for work, office, home, school or anyone who needs to perform any type of calculation from time to time. It is equipped with the basic functions (CE, M+/M/MRC, ON/AC). The calculator turns on after about 5 minutes automatically shuts down if it is not working.