Does $E=mc^2$ have a constant? If not why?
120719
Why isn't it $E \approx 27.642 \times mc^2$?
776
Entire function with positive real part is constant (no Picard)
153727
Constant term in Lagrangian
12422
Derivation of $E=pc$ for a massless particle?
34815
How to read “E = (mc)²” so as not to mistake for “E = mc²”
99120
Integral representation of Euler's constant
103009
$E=mc^2$ resembles non-relativistic kinetic energy formula $E_K = \frac{1}{2}mv^2$?
26388
proof that function is constant
44400
$e^{2\pi i x} = (e^{2\pi i})^x$: What happens if x is rational?
96539
is $f$ constant or dilation
31961
Given fields $M/E/F$, why does $[M:F] = [M:E][E:F]$?
157779
What does the Jacobi identity impose on structure constants?
58901
Why is every such function constant: $f(x)=f(x^2)$ for $x \in [0,1]$?
113411
If $E$ is generated by $E_1$ and $E_2$, then $[E:F]\leq [E_1:F][E_2:F]$?
65141
Simple proof Euler–Mascheroni $\gamma$ constant
103498
Does decrease in temperature affect mass $E=mc^2$?
4015
Maclaurin Expansion for $e^{e^{z}}$ at $z=0$