> my A-Level teacher always said anything the calculator can do, you can do, and just as fast. This is obviously false, and I don't really understand the point

> my A-Level teacher always said anything the calculator can do, you can do, and just as fast. This is obviously false, and I don't really understand the point of saying this. Plus, the benefit of using a computer is that computation is effortless, letting you use more of your brainpower on actually interesting problems rather than something that is easily automated.