For Algebra and Calculus have you tried Khan Academy? Their only downside is that they don't apply the concepts enough to real-world problems, but I found Sal's

For Algebra and Calculus have you tried Khan Academy? Their only downside is that they don't apply the concepts enough to real-world problems, but I found Sal's explanations clear enough. I also liked http://www.mathsisfun.com/ http://www.mathsisfun.com/ and https://brilliant.org/ https://brilliant.org/ although you need to pay for the Calculus content.