Package contains: you will receive 8 pieces of solar calculators, sufficient quantity can meet your different demands, and you can share them with your colleagues and classmates, Dual power calculator: the large display desk calculators are powered by solar energy and batteries, which can work in bright places without batteries; However, if the calculator is applied under low light, the screen may be difficult to see; Please insert AA batteries (not included) for continuous and accurate use, Proper size: each solar calculator with big buttons measures approx. 14.5 x 11.9 x 4.6 cm/ 5.7 x 4.7 x 1.8 inch (with angled screen), compact and lightweight, fits in bag and drawer; In addition to being applied on the desktop and this calculator can be held in your hands comfortable, Nice performance: desktop calculator has constants for adding, subtracting, multiplying and dividing, suitable for daily mathematical calculations; It has a 12-digit LCD display, which is clear and easy to read; This calculator can be automatically turned off, wide keyboard with raised keys can help you accurately press the button, bringing you a pleasant experience, Wide range of use: these solar large display calculators are suitable for homes, offices and schools, and nice for teachers, students, accountants, bank tellers, and other people who often need to calculate; Portable and practical calculator can be applied as a gift for others