Limits, derivatives and integrals explained one step at a time, with graphs that show what the math means and AP-style practice when you're ready.
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It asks before it tells, so you do the thinking and it sticks.
The derivative of a product is f′g + fg′, not the product of the derivatives.
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The method
Calculus builds on itself fast, so a shaky limit or chain rule shows up again in every later unit. Work problems by hand, connect each result to a graph, and practice free-response questions where you have to justify your answer in words.
Understand the idea firstTutor chat
Ask what a limit, derivative or integral means before memorizing rules, and answer Kuest's questions to test your intuition.
Graph f, f′ and f″Graphs
Graph a function next to its derivative to see where it rises, falls and bends, and check your sign charts.
Work through your problem setsSnap a photo
Snap a homework problem and solve it with Kuest step by step, catching slips like dropping the inner derivative.
Mix the rulesQuizzes
Take quizzes that mix product, quotient and chain rule problems so you learn to spot which one a problem needs.
Plan backward from the examStudy plan
Set your AP or final exam date and get a plan that spaces out review of every unit.
Practice free response under timeMock exams
Take timed mock exams with free-response questions, then go through every miss with Kuest.
Tap a topic to learn it now.
Tap a question and Kuest starts teaching it, step by step.
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