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I'm having to teach myself math and I guess I'm skipping ahead here but am really interested. For f(x)=x^i, the limit from the positive side I see from WolframAlpha is e^(2 i 0 to pi). Can someone please explain what the "2 i 0 to pi" means? Is it 2 times i times the set 0 to pi? Or something like that? And why is it 0 to pi? As it spins around going to zero, wouldn't it 'touch' the y-imaginary axis at one particular point?

Just thinking aloud...any help would be much appreciated :)