/sci/ - Science & Math

> Study for Calc Exam
> Very simple material, basic derivatives
> Study hard anyways for the ez A
> Even use the Feynman Technique™ to make sure I understand anything
> On test day, take time with each problem
> Double, even triple check every problem
> Hand in exam, highly confident I had an outstanding score
> Test is graded
> 81
> Check problems
> Almost every single problem had a simple error
> Forgot to write a negative symbol, no argument for trig functions, etc.

Please help me /sci/. Simple errors have haunted me in every STEM subject since grade school. I study hard, I do the homework, I even do extra practice problems. And when I make major mistakes when practicing, I take time to understand them and fix them. I take my time with problems, I always check my answers, but I still make these simple errors. I usually end up being the one helping my classmates with homework/studying, but if I try to do it myself, I fail miserably. People look at my grades and think that I'm retarded. This is literally driving me insane. /sci/ has always helped me out with study tips when I was just lurking, but I can't take any more of this. I just want to be able to have faith in my own math or science skills and get the grades I deserve.

I need to gain a good foundation for math. I have 5 months until I need to either be enrolled in Calc I or kill myself. I cruised through math in hs but that was 10 years ago and I forgot it all, probably due to brain changes associated with untreated clinical depression.

Can you recommend me some good books? I've been learning on schoolyourself.org but it's not comprehensive. I need Algebra, Trig, and Geometry. Basically everything up to Calc, and I need to do it in 4 months tops. I saw the wiki but it doesn't seem to be geared towards a brainlet like me.

I took the ALEKS entrance exam and got a fucking 35. I need at least a 76 to enroll in classes.