Add an option to subtract two integers to the Calculator.java class. Add an option to the main function menu to choose subtraction in order to make the user able to subtract two numbers.

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When uncertainty hits, it’s tempting to start making cuts. But indiscriminate subtraction can backfire, making systems brittle, reducing visibility, and draining long-term value from your business.

The role of artificial intelligence (AI) in education continues to change as teachers and parents learn how it can be used in classrooms and other learning environments. For Assistant Professor Ying ...