Anti-slip design: There is a non-slip seal on the bottom of the desktop calculator, which is not easy to slip and fall during operation. Large LCD screen: The desktop calculator can display a 12-bit large LCD screen, with a humanized 45-angle display design, with high display degree. Two-way power supply: The calculator can be solar powered, it only works when it is on, the basic calculator can also be battery, connected, long battery life Very convenient: The calculator buttons and display are easy to read, making the calculator super friendly, complete with ordinary Math and various financial functions, ideal for adults and students Power saving: pocket calculator that automatically shuts off after 8 minutes of non-use, energy saving and eco-friendly instructions The calculator has a hard plastic case designed for everyday use. Feel good, ABS plastic material, light weight. Reasonable configuration and comfortable operation. Make sure that long-term use will not cause human accompaniment. Automatic shutdown, dual power supply, 12-bit operation, large LCD display. Features Desktop Calculator Blue. material: plastic. Size: 12*15cm Delivery Quantity: 2 Pieces