asymptote
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You approach it and never arrive.

Asymptote is a free online calculus game: a calculus practice game for derivatives, limits and integrals, with typed answers and a live mode for class. Newest guide: Derivatives of Trig Functions: Table & Practice Problems.

Guides with practice problems: Chain rule · U-substitution · Implicit differentiation · Integration by parts · Product rule · Quotient rule · Power rule · L'Hôpital's rule · Related rates
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Free, takes seconds, no password. Already have an account? Same buttons.

  • +A streak for the Daily. Then you have to keep it alive. Sorry.
  • +XP and levels for every problem you solve, everywhere.
  • +Leagues every week, racing people your speed.
  • +dx and Squiggles to collect. Some are one in ten thousand.
  • +Your name on the leaderboard where your friends can see it. That is the point.

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