【Large 12-Digit Display】- This basic office calculator features a large 12-digit display with a 15-degree viewing angle. The large LCD screen clearly shows large numbers, making it easy to read from a distance and simplifying calculations. Size: L: 15.2cm/5.98in, W: 14.8cm/5.83in (approx.) 【Vintage Typewriter Style】- This desktop calculator boasts clean typewriter lines and retro round keys. The thick body size is suitable for desktop use and comfortable for handheld operation. The large, round keys fit easily in both hands, preventing fatigue. 【Dual Power Source】- This calculator can be powered by both batteries and solar energy. As long as you use a solar panel in a well-lit environment, it will provide power to the calculator. (Note: Only one AAA battery is needed for use). 【Calculation Function】- Convenient to use with independent memory. Features addition, subtraction, multiplication, division, backspace, grand total, CE, %, M+/M-/MRC, On/AC button, and automatic shutdown. The calculator automatically turns off after approximately 6 minutes of inactivity. 【Multiple Occasions】- This desktop calculator is designed for many occasions: business, office, home, basic budgeting, school, convenience store, and more. This candy-colored calculator is very cute and makes the best gift for Christmas, New Year, Thanksgiving Day, birthdays, and many other festivals.