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 Apr1 awarded Yearling Feb27 awarded Famous Question Sep24 awarded Autobiographer Jul14 awarded Great Question May7 awarded Yearling Oct10 awarded Favorite Question Apr15 awarded Yearling Mar12 awarded Notable Question Nov20 awarded Yearling Oct26 awarded Good Question Aug25 awarded Popular Question Nov22 awarded Scholar Nov22 accepted Zero to the zero power - Is $0^0=1$? Nov22 comment Zero to the zero power - Is $0^0=1$? @Arturo Thank you very much for the explanation. Nov21 comment Zero to the zero power - Is $0^0=1$? @Arturo: Thanks a lot for the explanation. Yes, case with natural numbers (including 0) is pretty clear now. But, people assert that $0^0 = 1$ even for real numbers. For example: "Kahan has argued that 0.0^(0.0) should be 1, because if f(x), g(x) --> 0 as x approaches some limit, and f(x) and g(x) are analytic functions, then f(x)^g(x) --> 1 ." Nov21 awarded Editor Nov21 revised Zero to the zero power - Is $0^0=1$? added link to the explanation on mathforum.org Nov21 awarded Nice Question Nov20 comment Zero to the zero power - Is $0^0=1$? @Arturo: Sorry, my math really sucks, and I thought "set-theory" interpretation doesn't include my elementary case. I would be happy to get a bit more simple explanation. Nov20 awarded Supporter