Bulk Mini Colorful Calculator For Student Kids School Home Office Desktop Various colors: you will receive 18 pieces of handheld electronic pocket calculators in 9 different colors, such as purple, yellow, blue, black and so on, enough quantity and colors can meet your different needs, you can combine these practical pocket calculators and share them with your friends and classmates How to work: these mini pocket calculators are powered by solar energy and battery, they can work in bright places without battery, if applied in the early morning or at night, the screen may be difficult to read in low light conditions, this requires the insertion of battery (not included) for continuous and accurate use Appropriate size: the size of each mini calculator is approx. 11.4 x 6.5 x 2 cm/ 4.49 x 2.55 x 0.79 inches, it is portable and practical, it can be placed in pockets and bags and adopted at any time, lightweight and comfortable to calculate when using on desktop or handheld devices Good performance: the school calculator has calculation functions of addition, subtraction, multiplication and division, it is equipped with an LCD display and can automatically shut down, bringing you a good use experience, the wide keyboard and raised keys help you press the button accurately Wide range of uses: these pocket calculators are suitable for offices and schools, suitable for teachers, professors, home school educators, students to do simple daily calculations, they are portable and practical, they can also be regarded as good gifts for elementary school students