Fashion Office Desktop Calculator:Offwhite panel with orange, blue and gray color buttons, vibrant color matching. The functions on the panel meet the needs of your daily used. Extra Large Display & Large Button:When you put the calculator on the desktop,the 30° large display is just opposite your sight,more clear than a horizontal display. Big size and soft sense of press button make your every press more accurate and relaxed,work more efficient. Visualized Operation Symbol Display:When you would like to calculate the number, it will express the symbol (plus, subtract, multiply or divide) on the screen. It can help you seeing the operation step when you operate continuously. Solar Powered/Battery Powered: The calculator uses high conversion rate solar panels, which can use solar energy in places with sufficient light. Put in the battery, it can also be used in the absence of light without delaying work. After 8 minutes of inactivity, the calculator will automatically shut down. ABS Engineering Plastic:This calculator is made of ABS high strength engineering plastics, light weight but durable. It can withstand the impact of falling on the height of the desktop for several times. Solar panels provide limited power, please install the battery before use. Feature: Desktop calculator Extra Large 12-digit display Textured number button Large easy-to-ready Big Display Constants for +, - , x, ÷ Mark-up percent, +/- 3-digit comma markers Independent memory Solar power and battery back-up Warning: The battery that comes with the product is a disposable battery, please do not charge. The energy provided by the solar panel is only used by the calculator, can not charge the battery. Package including: 1 x Calculator 1 x English Guide