How do you create calculator using ARM processor?

To create a calculator using an ARM processor, you would typically start by selecting a suitable development environment and programming language, such as C or assembly language. Next, you would design the user interface, which could involve buttons for digits and operations, and connect these to the ARM processor's GPIO pins. The core functionality would include implementing arithmetic operations in code, handling input from the user, and displaying results, possibly using an LCD or LED display. Finally, you would compile and upload the code to the ARM processor, testing and debugging as necessary to ensure proper operation.