I don't quite understand what you're trying to express. The function of Khan Aca... | Hacker News

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zxhy 4 months ago | parent | context | favorite | on: Is MathAcademy Worth It? Thoughts After 2k Experie...

I don't quite understand what you're trying to express. The function of Khan Academy was taken down several years ago. However, some traces can still be found online.

voisin 4 months ago [–]

What do you mean about the function being taken down?

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