I can’t speak for true mathematicians, but as a (mostly theoretical) physicist I would hate to write my maths in plain English. Notation is used precisely becau

I can’t speak for true mathematicians, but as a (mostly theoretical) physicist I would hate to write my maths in plain English. Notation is used precisely because it’s easier, more efficient (to write and to read) to use it instead of prose. If you’d like an example, I suggest reading texts on solving quadratic equations that predate modern algebraic notation.