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Re:How do people learn advanced math by cosmodisk on Tuesday June 22, 2021 @06:03PM (#27597798)
You are right, he doesn't need that much.

As for timelines, I think with enough motivation an entire GCSE can be devoured in a few months but the author is being realistic about the time: as an adult autodidact, you'd probably be doing it in addition to work/family/all the rest, so it can take longer.

Re:How do people learn advanced math by UK-Al05 on Tuesday June 22, 2021 @06:26PM (#27598035)
Your also forgetting since children study many subjects, they probably only study fewer than 6 hours of maths a week. And half of that is probably low quality study.