New posts in Irrational Numbers

Let the rational number $p/q$ be closest to but not equal to $22/7$ among all rational numbers with denominator $< 100$.

Proving $\sqrt{2}$ is irrational

Successive records in mathematical sequences: surprising result

Non standard solution to $f(x) = \frac{1}{2}\Big(f(\frac{x}{2}) + f(\frac{1+x}{2})\Big)$

An intriguing recursion

Proof square root of 4 is not irrational.

Proof that $\sqrt{2}$ is irrational is not convincing. Please help.

Is the arc length always irrational between two rational points?

Existence of infinite set of positive integers s.t sum of reciprocals is rational and set of primes dividing an element is infinite

For which $c$ is $\pi^c$ know to be irrational?