Varsity Tutors Calculus 2 app for Android devices is a free educational resource that helps students improve their performance in Calculus 2. Developed by Varsity Tutors LLC, the app offers a plethora of resources such as practice tests, diagnostic tests, flashcards, and more. With its user-friendly interface, students can study at their own pace and pick what areas they want to cover.

Calculus 2 is known to be a challenging subject, and students who have struggled with Calculus 1 may find it even more daunting. However, with the Varsity Tutors Calculus 2 app, students can build their confidence by taking diagnostic tests that determine which concepts they are understanding and what they need to pay closer attention to. The app covers a wide range of topics, including arc length, convergent series, exponential growth, harmonic series, Maclaurin Series, power series, radius of convergence, ratio test, surface of revolution, and Taylor Series.