351 karma · joined October 7, 2014
Except they did in 2011 in response to Google+ by adding Friend Lists, which you can use to filter your News Feed down to stories and news items from just friends in certain lists curated by you. This is still in existence today in 2018.
How does this translate to "they are about to launch their own coin"?
for probability and stats: https://www.amazon.com/Introduction-Probability-2nd-Dimitri-...
for linear algebra: https://www.amazon.com/Coding-Matrix-Algebra-Applications-Co...
this was my college calculus textbook: https://www.amazon.com/Calculus-7th-James-Stewart/dp/0538497.... I can't comment if it was good or not because by college, I had taken calculus twice so it was all a refresher
best of luck! You sound educated enough (yes, I'm judging from the couple sentences you wrote) that I think you won't have any problems acquiring math knowledge with persistence.