I'm a CS student looking for a Capstone project. A math student at my university approached me with the idea for an application that would allow a TA and a student to chat about math using the standard visual formulas instead of the handicapped method we use on computers (2^4=x or take the integral of 2x dx). For example she wants an application where she can switch between typing math formulas $\int 2xdx$ and text 'this is an integral' without having to learn LaTeX and in real time. I've found several chat apps online like MathIM, pidgin with the pidgintex plugin and DragMath but they all seem to require the user to know LaTeX to talk about math.
My question is, does anyone know of any type of chat application that supports displaying the formula without knowing LaTeX and without being slowed down by some type of drag and drop interface?