I've got a very smart and capable student who needs to finish his college degree. He has severe limitations at this time. Because of a severe illness, he is unable to write and is now deaf and blind. However, he still retains enough sight that he can read on and use the computer. 

We are trying to figure out how he can finish his degree requirements. We are looking for college-level software that can aid him in reading, writing, and calculating math. He will need to finish Business Math, Calculus, and Statistics.

What software could aid us in making this accomplishment spossible for him