Enhance your calculation experience with this reliable scientific calculator, designed for accuracy and ease of use. Featuring large crystal keys, it ensures a comfortable and smooth typing experience, minimizing errors and boosting efficiency for all your numerical tasks. The clear 12-digit display allows you to perform large calculations with ease, making it perfect for office use, accounting, or student homework. Key Features: · Large Crystal Keys: Comfortable, smooth, and responsive buttons reduce input mistakes and improve typing speed. · 12-Digit Display: Clear and wide screen to handle extensive calculations, ideal for professional or academic use. · Dual Power Sources: Powered by a solar panel and 1 AAA battery (not included) to guarantee continuous and reliable operation in any lighting condition. · Versatile Application: Suitable for office work, accounting, and student needs, offering dependable performance for a variety of computational tasks. · Portable and Lightweight: Compact design and lightweight construction (133g) make it easy to carry, ideal for work, school, or travel. Specifications: · Model: ECO-003 · Size: 19.8 x 15.5 cm · Weight: 133g · Display: 12 digits · Power: Solar panel + 1 x AAA battery (not included) · Color: Grey · Key Type: Crystal key This scientific calculator combines durability with convenience, making it an essential tool for professionals, students, and anyone in need of accurate and efficient calculation assistance on the go.