【Large 12-digit display】A large LCD screen showing large numbers clearly, easy to read from a distance and aesthetically pleasing. Supports 12-digit display. 【Dual power design】The calculator uses both solar power and battery power (battery not included). As long as you use it in a well-lit environment, the solar panel will continuously power the calculator. 【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 that align with human habits and are comfortable to press. 【Multifunctional】Supports addition, subtraction, multiplication, division, backspace, total sum, CE, %, M+/M-/MRC, ON/AC buttons and automatic shutdown. The calculator turns off after about 6 minutes of inactivity. 【Excellent for home and office】This basic calculator is suitable for businesses, offices, home, school, or anyone who needs to perform any form of mathematics occasionally.