12 Digit Desktop Calculators Large, Desk Calculator Large Display with LCD Screen & Big Buttons, Dual Power Standard 4 Function Simple Basic Calculator for Office, School, Home

["[DUAL POWER DESIGN] - This desk calculator can operate using powerboard (the black area) or battery (battery not include). Simply place it in a lightly lit environment to charge and work.","[LARGE DISPLAY] - This calculator desktop has a large LCD screen that can clearly display up to 12 digits, making it easy to read even from a distance.","[SENSITIVE AND BIG BUTTONS] - With sensitive buttons of this large calculator, even the process can be faster and smoother. When the button is pressed, the screen will quickly display the corresponding number, and the design of the large button can effectively prevent pressing the wrong button.","[FUNCTIONALITIES] - Add, subtract, multiply, divide, backspace, grand total, CE, %, M+/M-/MRC, On/AC Button, and Auto Power-Off. The Basic calculator will automatically shut down after about two minutes of inactivity.","[Wide Range of Uses] - This Office calculator is suitable for the following occasions: business, office, home, basic budgeting, school, and more. Its fast calculation can help with your personal financial calculations."]