Starting in version 7, Mathematica
includes expression-to-speech functionality. In principle, any Mathematica
expression can be translated in this way.
You can also make Mathematica
speak by right-clicking a highlighted expression and choosing Speak Selection
from the contextual menu.
If, instead, you would like to see a text version of the input, apply SpokenString
can be used on graphics as well:
still works in this case: