New posts in elementary-functions

Calculating $\sqrt{-1}$

Are ceiling and floor elementary functions?

What is the mathematical relevance of whether an expression has a closed form?

A function that grows faster than any function in the sequence $e^x, e^{e^x}, e^{e^{e^x}}$...

Proving elementary, $\int_0^{2\pi}\log \frac{(1+\sin x)^{1+\cos x}}{1+\cos x} \mathrm{d}x=0$

Can any continuous function be represented as an infinite polynomial?

Should we distinguish the minus sign from the negative sign?

Proof that the factorial is nonelementary

Why do un-integrable functions exist?

Homeomorphism between the unit disc and the unit square

What purpose is the lookup table serving in this code?

Prove that an equation has no elementary solution

Is each "elementary + finite functions" function "elementary + finite functions"-integrable?

An elementary function with asymptotic $f'(x)\sim2f(2x)$ for $x\to0^+$

Example equation which does not have a closed-form solution

How much math do we need to prove all simple numeric identities?

Are there some techniques which can be used to show that a sum "does not have a closed form"?

Is there a name for the class of functions which are infinitely integrable in elementary functions?

Symmetric functions written in terms of the elementary symmetric polynomials.

Is there a smooth, preferably analytic function that grows faster than any function in the sequence $e^x, e^{e^x}, e^{e^{e^x}}...$