The calculator has a simple user interface with a screen display and a keypad that consists of buttons for numbers and mathematical operators. The screen display shows the input and output of the calculations, and it is designed to show the result in real-time as the user inputs their calculations.The keypad has buttons for numbers from 0 to 9 and also includes buttons for mathematical operators like addition, subtraction, multiplication, and division. There are also buttons for decimal points and clearing the screen.The JavaScript code provides the functionality of the calculator. It handles the input from the user, performs the arithmetic calculations, and displays the result on the screen. The clear and backspace buttons allow the user to clear the input or delete the last character entered.Overall, this calculator is a simple and responsive tool that can be used for basic arithmetic calculations.
