- Solar-Powered Efficiency : This 12-digit calculator features a high-efficiency solar panel in the top-right corner, ensuring reliable operation even in low-light environments. Enjoy extended usage without the worry of battery replacements, thanks to its automatic shut-off function that conserves energy (Note: no battery compartment). - Clear and Large Display : The office desk calculator boasts a large digital screen that clearly displays 12-digit numbers and essential basic information, making everyday calculations straightforward and easy to read. - Comfortable Rubber Keys : Designed for user comfort, this solar-powered calculator includes large rubber keys that offer excellent wear resistance and elasticity. The responsive sensors at the base ensure quick operation and ease of use. - Compact and Durable Design : Measuring 101mm in length, 50mm in width, and 7mm in thickness, this lightweight calculator weighs only 0.4g, making it portable and easy to carry. Its robust ABS plastic shell and aluminum alloy plate provide excellent durability, making it ideal for office, study, or work environments. - Versatile Applications : Perfect for students tackling math homework, professionals managing daily budgets, or anyone needing quick calculations on the go, this calculator handles a variety of tasks effectively. - Practical and Eco-Friendly : With its environmentally friendly materials and solar power functionality, this calculator not only serves your calculation needs but also supports a sustainable lifestyle.