1LIGHTWEIGHT AND THIN: Transparent calculator is lightweight and compact, easy to carry around, suitable for students, business people and family use. 2TOUCH SCREEN: Solar calculator features a touch screen for easy and intuitive operation. The touch screen design also adds a stylish feel to the calculator. 3SOLAR POWERED: Touch screen calculator is solar powered and requires no external power source. This is not only environmentally friendly and energy efficient, but also saves the user the trouble of replacing batteries. 4TRANSPARENT DESIGN: 8 digit LCD display calculator features a transparent design with a clear digital display, which is not only stylish but also allows users to read the calculator results more clearly. 58 DIGIT DISPLAY: Solar powered calculator supports 8 digit display, supports four operations, LCD screen is easy to read, PS material is safe and durable, wear resistant and scratch resistant.