Multifunctional Desktop Calculator: This calculator is made of ABS plastic and is lightweight and durable. Non-slip rear footrests allow the calculator to press quickly without moving. The function buttons on the panel can meet the computing needs of different people. Large Digital Display: 12-digit calculator, 30-degree tilted display with ergonomic viewing angle, easy to view. Large Color Button: Button composed of several colors to help you quickly identify numbers and characters. Large size and comfortable texture button allow you to press the button more precise and relaxed and work more efficiently. Dual Feed: The calculator is powered by AA batteries (not included) and solar power. The solar feature allows the calculator to be used in daylight or bright light without batteries, so you can work with peace of mind without worrying about the batteries running out. Automatic shutdown: The calculator turns off automatically after 8 minutes of no operation, extending battery life and reducing power consumption. Suitable for schools, offices, homes and supermarkets, it is a good helper for learning and office.