There are two "extreme" ways of doing things, the "crafting" way in one side of the spectrum and the "engineering" way on the other side. You can "craft" a car

There are two "extreme" ways of doing things, the "crafting" way in one side of the spectrum and the "engineering" way on the other side. You can "craft" a car without knowing a single formula, but that proved to be inefficient. In programming is kind of the other way around. There is a way to use formal mathematical methods to "engineer" programs, but for general use they seem to be economically "inefficient".