| I am not a maths major, however as I currently self-studying Mathematics, so I hope this would come as a good reference points for you. I think we both should prepare for a long journey, cause it is the nature of maths. I prefer formal and classic textbooks/notes as I think they are the best resources. Mathematics has been around for a long long time, keeping things up to date isn't really what should most concerns you. [0] : https://www.quantstart.com/articles/How-to-Learn-Advanced-Ma...
This article aims at kick-starting a career in quant, but the bullet points are really similar to any undergraduate program. [1] : Schaum's series
Really good textbooks on basic maths, helped me a lot on those maths modules during my study. [2] : Any Massive Open Online Course of your choices.
I am currently using MIT OCW. They are basically an Undergrad Course minus interaction with lecturer. You should ask some of your maths friends to help you out. Good, intuitively explanation in person helps a lot. [3] : And last but not least, have fun while doing it.
You can participate in maths competition, watch Youtube videos( 3Blue1brown / Numberphile) Read Magazines and Journals too, admires the Apollonian aesthetic of Mathematics. Maths is one of the few subjects where nature > nurture, I think ( and observed). But take heart. |