New posts in Irrational Numbers

Can there be an Irrational Numbers Hotel?

Limit associated with a recursion, connection to normality of quadratic irrationals

There's something strange about $\sum \frac 1 {\sin(n)}$.

Simple recurrences converging to $\log 2, \pi, e, \sqrt{2}$ and so on

If $x$ is irrational, is $2x - \frac{1}{x}$ irrational?

Is $\frac{1}{\alpha} \in \mathbb{Q}[\alpha]$ for irrational $\alpha$?

Please help me spot the error in my "proof" that the sum of two irrational numbers must be irrational

Find the $1000$th digit after the decimal point of $\sqrt{n},$ where $n=\underbrace{11\dots1}_{1998 \text{ 1's}}$

How can I show the incompleteness of the irrational numbers?

Justify that $\tan 1^\circ$ is an irrational number