I’d taken calc and linear algebra in college but I retained little and had not used either in 15+ years. I took this class 3-4 years ago and got a lot out of i

I’d taken calc and linear algebra in college but I retained little and had not used either in 15+ years. I took this class 3-4 years ago and got a lot out of it. I also highly recommend Infinite Powers: How Calculus Reveals the Secrets of the Universe by Strogatz