Question Number 138594 by Ar Brandon last updated on 15/Apr/21
Commented by Ar Brandon last updated on 15/Apr/21
$$\mathrm{In}\:\mathrm{honour}\:\mathrm{of}\:\mathrm{Leonhard}\:\mathrm{Euler} \\ $$$$\mathrm{on}\:\mathrm{his}\:\mathrm{314}^{\mathrm{th}} \:\mathrm{anniversary}. \\ $$
Commented by Dwaipayan Shikari last updated on 15/Apr/21
$${Also}\:{the}\:{birthday}\:{of}\:{Leonardo}\:{da}\:{Vinci}\: \\ $$$${Euler}\:\left(\approx\mathrm{100}\pi\:{Anniversary}\right) \\ $$