Calculator, 12 Digit Large LCD Screen Solar Powered Desktop Calculator, Home and School, Desktop Calculator with Large Buttons, Blue Large LCD screenThe calculator can display 12 digits, the screen is clear and does not hurt the eyes, which is convenient for long-distance reading.Solar and BatteryThe calculator is powered by power solar or AA dry cells (battery not included). When ambient light is intense, solar energy will provide power. Please install AA batteries when the light is dim to ensure the calculator works.Large KeysThe keys of the calculator are made of high quality plastic material, large buttons for convenient input, which makes your experience more satisfying. A good partner for work The calculator can perform common mathematical calculations and various financial calculation functions, speed up calculation processing, help you reduce calculation errors and improve calculation accuracy.Multi-function The calculator is meaningful functions, plus, minus, multiply, divide, total, CE, M+/M-/MRC and ON/AC buttons, the calculator will automatically shut down after about 5 minutes when not working. Note: the data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received.