This excellent product impressed me from the moment it loaded up by checking to see which examination board was relevant to me, to make sure the questions and exercises where aimed at the right topics. The programme contains hundreds of short, clear videos that work through maths problems and examples. Their narrative is delivered by speakers with really nice voices, who do not sound like teachers they just sound like someone who knows this stuff and would like you to know it too.
You can print off test papers and try them, and then look at the DVD to work through your answers to get to that "oh I see it now" stage that good revision can lead to.
I learned the basics of vectors in ten minutes and can still remember it weeks later, a sure test that the information went in easily.
This is not a text book, do not work through it from start to finish. Instead draw up a list of the areas you are weakest on and work on them one at a time.