MOOC courses are not oriented towards deaf. Neither are Khan Academy videos. My book materials consist of some books completely in words for calculus as well as a greater word emphasis for algebra.
My books at e-vendor:
Deaf people trying to take a calculus MOOC would benefit from by Base Point Test Point Calculus series. So a way for a MOOC in calculus to orient itself to also help the deaf take the course is to use my Base Point Test Point Calculus series as a supplement.
This can help high schools and colleges as well that want to have access for the deaf in their calculus courses.