$0^0$ -- indeterminate, or $1$?
14150
Zero to the zero power – is $0^0=1$?
55094
How to show $i^{-1} = -i$?
81875
why is $\sqrt{-1} = i$ and not $\pm i$?
107254
Real analysis question $e^{-1/x^2}$
41779
Is $x/x$ equal to $1$
13363
Why does an argument similiar to 0.999...=1 show 999...=-1?
107390
Why is (-1)(-1) = 1?
118778
What's the inverse operation of exponents?
71604
Why is the determinant of the 0x0 matrix equal 1?
41645
Checking my understanding: $1 - 1 + 1 - 1 + 1 - ... = \frac{1}{2}$
26338
Does $1^{\infty}=e$ or $1^{\infty}=1$?
39514
how do I prove that $1 > 0$ in an ordered field?
12401
Is it standard to say $-i \log(-1)$ is $\pi$?
115913
Zeros of exponential
33705
Is $0$ a natural number?
62012
What is $0\div0\cdot0$?
29739
How can $\frac{x^3-4x^2+4x}{x^2-4}$ be both $0$ and "undefined" when $x = 2$?