Math for data science

I am a full-stack web developer with a few years of experience, but I would like to switch to data science in my company. The problem is, besides programming, math is required. I did not do it for 5 years now, but always liked it and been good at it. It would not be a problem I guess to learn it. My question is, how should I start? I need a roadmap. I want to start from the beginning. Any …

data data science datascience math science