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I've spent a lot of time in academia up to PhD level. Personally I'd suggest you start by doing the Maths A-Levels. There is lots of solid material / books, the

I've spent a lot of time in academia up to PhD level. Personally I'd suggest you start by doing the Maths A-Levels. There is lots of solid material / books, there a lots of tutors if you need them, and you have exams to prove you know the syllabus. If I remember correctly GCSEs are not a prerequisite. If they are -- or your Maths is very basic -- then start with Maths GCSEs. It is important not to bullshit yourself when learning Maths. If you don't do exams, there are so many ways to fool yourself into thinking you know what you're talking about. Not to pick a magic number, but if you're a normal person (like me), expect to spend 5000-10000 hours before your Maths is worth a damn. A-levels are just the start.

PartiallyTyped 3y ago
> It is important not to bullshit yourself when learning Maths. If you don't do exams, there are so many ways to fool yourself into thinking you know what you're talking about. I am commenting because I want to express my support for that statement. Unless you can write down all the steps from start to finish, and then reduce them via the necessary abstractions ( what's a theorem if not a correct abstraction ), you can't claim to "know math". Just as you don't "know" physics if you can't do the math, you don't "know" whatever technical field if you don't know the underlying mathematics. Hunches, intuition, and everything else can be fooled and are imprecise. The knowledge one has is — in my opinion — evident in the precision one has when speaking about a subject.