【Large 12-Digit Display】Features a large LCD screen that clearly displays large numbers, making it easy to read from a distance and aesthetically pleasing. Supports 12-digit display. 【Dual Power Design】The calculator uses both solar and battery power (battery not included). As long as you use it in a well-lit environment, the solar panel will provide the calculator with continuous power. 【Sensitive and Large Buttons】When the buttons are pressed, they register quickly and display the corresponding number on the screen. The electronic desktop calculator has a scientific design with large buttons, which conforms to human habits and is comfortable to press. 【Multifunctional】Add, subtract, multiply, divide, backspace, grand total, CE, %, M+/M-/MRC, ON/AC button and automatic shutdown. The desktop calculator turns off after about 6 minutes of inactivity. 【EXCELLENT FOR HOME AND OFFICE】 This basic calculator is suitable for business, office, home, school or anyone who needs to do some form of math from time to time.