>>10465798Khan Academy and a pre-calculus textbook. It's almost impossible to get through our education system and not have some passing familiarity with algebra, geometry, trigonometry, etc., even if you're terrible at it. Pre-calculus reviews most of everything important anyway.
First find a good pre-calculus textbook (Axler if you wanna pay for a hardcover, Stitz-Zeager if you just want an online pdf without paying or pirating), and then do the entire book. These books are as far from "brainlet" textbooks as you can get for pre-calculus and will serve as an excellent foundation for calculus.
Start 15-30 minutes at a time, then gradually extend the length of your sessions as you get used to the mental exertion. When you are lost, go to Khan Academy or the solutions guide, but do your best to read the textbook and solve the problems on your own. Eventually, you'll start to get confidence in your problem-solving abilities.
Once you finish pre-calculus, you can move onto either brainlet calculus books like Stewart (Thomas 3rd/4th or 5th-9th editions might be a better meme if paid, Knisley is good if you don't wanna pay or pirate), or you can jump into proofing and the brainmore calculus book of your choosing like Apostol, Spivak, Courant, etc.
Don't take the brainlet/brainmore distinction seriously by the way, it's all about your priorities. If you want to start with brainlet calculus/linear algebra/differential equations/discrete mathematics/probability before moving onto proofing-based math, there's nothing inherently wrong with that. In fact, that's what modern mathematics curricula seems to do.
>>10466134Never heard of any of the books besides Tenenbaum, which is generally seen as good. I would like to see that OP describe the pros and cons of those books, since you would have to go out of your way to get a pdf or a used copy of them as they're not that popular. Don't waste too much time choosing the "best" textbook out of a bunch of great ones.
