The electronic desktop calculator adopts a scientific large button design, which conforms to human habits and is comfortable to touch.
Add, subtract, multiply, divide, backspace, % and MU. Auto-off when you do not use it about 10 minutes
Solar energy and battery backup power keep the desktop calculator working in low light conditions (not including AA batteries)
User-friendly buttons that are comfortable, durable, and well marked for easy use by all ages, including kids