New posts in Elementary Proofs

What is the simplest proof that the density of primes goes to zero?

Euclid-style proof of Dirichlet’s theorem on primes in certain arithmetic progression

Six points on an ellipse

Alternative proofs sought after for a certain identity

How to use the Prime Number Theorem in order to prove Selberg's Formula?

Largest absolute value of a polynomial of degree $n$ on $\{0,1,\ldots,n\}$

Area method in Lobachevskian geometry

Products and sum of cubes in Fibonacci

Does anyone recognize this inequality?

Is the following recursion formula for $\zeta(2n)$ known?