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If only that were true. :) I only know cross multiplication and basic arithmetic, excepting long division.

• jahbrewski 8y ago
  We all start somewhere! One of the beauties of math is it’s hierarchical structure. Once you figure out where you’re at, it’s just a matter of progressing further up the hierarchy of abstraction (spoken by someone who has only made it to Calculus in the hierarchy)
  • voltagex_ 8y ago
    I really want to make a site that expresses this like a skill tree you'd find in an RPG or in Civilisation.
    • nimonian 8y ago
      Duolingo has something like this. I rather like it.