Why $y=e^x$ is not an algebraic curve?
139288
Formal proof that $e^x$ is not algebraic
24307
Is $x^x=y$ solvable for $x$?
22303
How do I prove that $f(x)f(y)=f(x+y)$ implies that $f(x)=e^{cx}$, assuming f is continuous and not zero?
38849
Solve $x^y \, = \, y^x$
158681
How to show that $e^x$ is differentiable?
15287
Proving that second derivative is perpendicular to curve
147503
Solving $4x = e^x$ without graphing and looking for intersection
115090
Alternative definition of hyperbolic cosine without relying on exponential function
24139
Logical explanation why exponentiation operation is not commutative and associative
131424
which of the following is NOT a possible value of $(e^{f})''(0)$??
39894
Graphing y=x^2 and y=x
8352
When is $\sin x$ an algebraic number and when is it non-algebraic?
101499
Prove $e^{x+y}=e^{x}e^{y}$ by using Exponential Series
55026
$\mathbb{Q}[X,Y]/(Y^2-X^3)$ is not a UFD
157920
Can I define $y=y(x)$?
74827
Integer ordered pair of $(x,y)$ in complex algebraic equation
66886
$e^{mx}$ in solving second order differential equations