Specification: ABS material, dimensions 5.9x 4.7x 1.6 inches, weight 4 ounces, does not take up too much desktop space, easy to carry and use. It is equipped with two anti-slip foot pads, making it less likely to slip during operationDual power supply design: The solar power panel can power the calculator in a well-lit environment. And the calculator utilizes both solar energy and battery power (excluding batteries) to provide reliable and uninterrupted operation. This is a simple and worry-free partner12-digit large display screen: The LCD large screen display can clearly show numbers and is easy to read. And the ergonomic Angle design can reduce eye fatigue and enhance readabilityMultiple functions: including basic functions such as addition, subtraction, multiplication, and division, as well as advanced functions like M+/M-/MRC and MU buttons. This basic calculator will automatically shut down after being idle for about 6 minutesLarge and sensitive buttons: Large buttons can prevent the wrong keys from being pressed, ensuring that data can be entered quickly and effectively for children and adults in the office, at home or at school