July 6th, 2011, 1:16 am
Is your primary interest to gain a credential or to learn math?If your interest is a credential, then distance learning is a young field which is not yet given the same weight as traditional education, and is often run as a revenue-generating operation for those organizations which run them.The age constraint against going back to school seems applicable in most countries, except one of which I'm aware. I'm inclined to think the USA has the most/best options for students returning to school after the tradtional age, but shall we assume emigration is not a practical option for you?If learning math is more important to you than gaining a credential, then learning it in a non-traditonal manner is doable, but may take several times longer than in a formal academic environment. The MIT OCW suggestion is something I would agree with. (Gilbert Strang's enthusiasm for Linear Algebra is contagious.) Additionally, you might also seek some form of non-academic ancillary employment at a college/university in in order to gain access to a library. Once there, look into somehow ingratiating yourself to either math faculty or grad students to attempt to arrange some sort of informal quid pro quo arrangmement where you volunteer your own unpaid time to do something for them in exchange for coaching from them. An alternative to a college might be some sort of profesional organization or business with at least a few math-oriented professionals. You don't need an organization full of PhD's. You might be able to get by with just a few or even one with a good library.
All standard disclaimers apply, and then some.