alt Hacker NewsMany years ago, in college, I used to volunteer for Recording For The Blind, reading various math texts aloud. I had to verbally describe every illustration in the textbook, including graphs, using a few concise statements. Not perfect, but possible.
You can describe any graph to some low level of detail, sure. But does it actually help anyone? Do people with complete blindness, for example, gain anything from hearing a description of the graph of f(x) = x as "a straight line at a 45° angle crossing the graph at 0", compared to what seeing people gain from viewing that graph?