Hippocrates of Chios solved this, nearly 100 years before Euclid even wrote The Elements, and before we knew the exact formula for the area of a circle. This is said to be the first precise Read more…

This function is famously confusing outside its "domain of convergence", but a certain visualization sheds light on how it extends. Research Links Wikipedia: Proof of the Euler product formula for the Riemann zeta function Read more…