How can a site be so based?

It's not you can become just an economist with that, you might get into banking, finance, accounting etc.

This. Trig is very important for everything.

Not for CS

i'm disappointed in whom they trust to educate students/people about history desu

Coursera and MIT OCW are better imo

Duolingo does work though. It wont get you to a fluyent lv, but when you're done withg a course you should be at the level where you can (with the help of a dictionary), read most content in that language, and thereby aquire fluency dynamically.

Jesus, i got no idea how i managed to fuck up a sentence that badly.

Fluent* level* with* thus* naturally*

>ace
Judging by the way this post was typed, I highly doubt you got a perfect score, so I'm sure your definition of a good enough score is a lot different than some people's.

hes really cool, watched a talk with him and he seems like a nice guy. A true polymath