Multifunctional large display The large 12-digit display clearly shows calculation data and meets the requirements of office use and student exams in many ways. Convenient key design Large keys with non-slip silicone pads, no noise when pressed and removable keys, convenient to use and easy to maintain, good user experience. Dual power supply Equipped with two power supply modes (solar energy and button battery), which are energy-saving and environmentally friendly and ensure that the calculator can be used in various environments without worrying about power failure. High-quality material Made of ABS material with a smooth surface and durable texture, it can withstand the rigours of daily use and retain its good appearance and performance for a long time. Lightweight and portable Pure white colour, high value, size 185*100cm, lightweight, easy to carry, you can start calculating anytime, anywhere. Large screen and large buttons: 12-bit large screen, flat large buttons, no sound when pressed, convenient and clear operation, multi-scene use. Dual power supply: solar energy and button battery combination, energy saving and environmental protection to ensure that the calculator is always available. Durable material: ABS casing, smooth and durable, with silicone anti-slip, can cope with frequent daily use. Lightweight and portable: compact size, only 185*100cm, light weight, easy to carry, meet the needs of mobile office and study. Beautiful gift: pure white appearance of high value, buy a free transparent sticker, you can cut your own decoration.