I'm not "bad" at math per se, but would there be much benefit in going from the ground up learning in the Hungarian form? I guess you could blow through the fi

I'm not "bad" at math per se, but would there be much benefit in going from the ground up learning in the Hungarian form? I guess you could blow through the first 7~10 years of schooling in less than a year of dedicated study, but teaching yourself just up to before college level would take you a few years, right? Is there any online courses that have this content?