【Up to 12 Digits Display】: This calculator uses a larger LCD display that supports up to 12 digits. It is clear at a glance to ensure office effeciency. 【Big and Sensitive Buttons】: The calculator is responsive, when you press the button, the screen will quickly display the corresponding number, and the design of larger button to make you work more quickly, efficiently and conveniently. 【Dual Power Design】: This calculator uses dual power input, including traditional power. It can continue to work in a well-lit environment, it's a simple and worry-free partner. 【Multifunction Calculator】: The calculator has addition, subtraction, multiplication, division, backspace, total, CE, %, M+/M-/MRC and auto power off functions, allowing you to perform for regular computing, it will automatically shut down after about 6 minutes of inactivity. 【Home Office Good Partner】: This basic calculator is suitable for home, office, and school. It is simple and sensitive, and bright colors to choose. It is a good partner in your life and work.