The Dymaxion Map of the Earth shows all the continents floating in a single world ocean[?], which is broken up at the edges, as the projection follows the land masses, and distorts them minimally. It was created by Buckminster Fuller to eliminate culture bias in maps of the world.
... computing roots numerically, the usual form of the quadratic formula is not ideal. See Loss of significance for details.
Derivation
The quadratic formula is derived by ...