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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A Squiggle collection

edolvcipher_uy

Area Under the Curve

344

9 of 36 Squiggles

Quotient Koala

Quotient Koala

Lives under a fraction bar. Very careful never to be zero.

Polynomial

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Everything you play on Asymptote earns dx, and your first five packs are free.

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lim Quotient Koala
lim Quotient KoalaLives under a fraction bar. Very careful never to be zero.
First limitStage 1 of 5
lim
lim Quotient KoalaStage 1 of 5
Pi-Rat
Pi-RatSails at exactly 3.14159 knots. Will not round.
PolynomialNo. 23 of 36
Pi-RatPolynomial
Delta Wing
Delta WingGive it any ε and it will find a δ. Has never once asked what for.
Delta League40 Area
Delta WingDelta League

Trophies 2

Epsilon Neighbourhood
Epsilon NeighbourhoodLives in a neighbourhood smaller than any number you can name. Says there is plenty of room.
Epsilon League20 Area
Epsilon NeighbourhoodEpsilon League

Limits Pack 9/12

Zero
Zero
Little Delta
Little Delta
Epsilon
Epsilon
Null Set
Null Set
Little Sine
Little Sine
Vector Vole

Derivatives Pack 0/12

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Integrals Pack 0/12

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Odds per pack: Constant 60% · Linear 26% · Polynomial 10% · Exponential 3.49% · Transcendental 0.5% · Asymptotic 0.01%

Delta Wing
Delta WingGive it any ε and it will find a δ. Has never once asked what for.
Delta League40 Area
Delta WingDelta League
Vector Vole
Secant Sparrow
Secant Sparrow
Pi-Rat
Pi-Rat
Quotient Koala
Quotient Koala
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