Introduction - If you have any usage issues, please Google them yourself
Design a simple calculator to add, subtract, multiply, divide, square and other operations.
Requirements: The front panel is equipped with a digital controller for inputting numbers and a digital display for displaying operation results.
The front panel is equipped with a digital controller to input two numbers, and the digital display is used to display the result of operation. There are addition, subtraction, multiplication and division.
Requirements: use a scroll bar to specify the operation mode.