(July 4, 2015 at 3:10 pm)Cato Wrote: If you are sincere, I cannot recommend strongly enough Khan Academy.
https://www.khanacademy.org
It's free, it's well organized, and the content that I've reviewed has been superb across a great range of education levels.
Whether your tackling a subject fresh or need a refresher, this is the place for you.
On top of all that, it's broken up into short, concise lectures, so it can be absorbed at a leisurely pace. You don't have to commit an afternoon to a subject.
I was amazed at how much trigonometry I had retained after not using it in nearly twenty years. I've been meaning to refresh my calculus, too.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell
