I an a older student that would like to go back to college. I want to teach myself basic chemistry before i go back. Could anybody recommend a book, tutoring software, or website that can help accomplish this task?
I am a older student that would like to go back to college and take higher level mathematics. I want to teach myself geometry, trig, and Pre-calc before i go back. Could anyboby recommend a book, tutoring software, or website that can help accomplisc this task.