merıt
Exam Sprint Sign in
HomeLessonsQuick lessonsCoursesAsk Merit AITutorsMerit Tutors' Videos

Study tools

Tonight's planPlusExam SprintMy schedulePlusProgressPlus

Exam Sprint

Your exam, planned day by day.

Free diagnostic in 10 minutes.

Lessons for what you're learning in class. Merit Plus suggests videos for what you're learning in class. Free for your first month.

Sign in to save lessons, track topics, and get a study plan.

Sign in
Popular courses AP Calculus BCAP United States HistoryAP Physics 1: Algebra-BasedAP Computer Science AAP Environmental ScienceAP PrecalculusAP Statistics

Top channels

Khan AcademyFiveableHeimler's HistoryThe Organic Chemistry TutorCrashCourseMichael Porinchak - AP Statistics & AP PrecalculusMr. Sinn
PricingFor teachersHow ranking worksAbout Merit

AboutPrivacyTerms

Videos play on YouTube. AP® and SAT® are trademarks of the College Board, which is not affiliated with Merit.

© 2026 Merit

HomeLessonsCoursesAsk AITutorsPlanSprintYou

Chen Math Academy

@chenmathacademy· 1.9K subscribers· 4 lessons on Merit· 3 topics

AP Calculus BC

View on YouTube
24:32

67 The Secret of Radius and Interval of Convergence of a Power Series in 2022 Calculus BC Test

Chen Math Academy

91 views on YouTube · 4 years ago

Calc BC · Radius and Interval of Convergence
14:57

6-7 2025 Calculus BC Series Convergent Ratio Test (Rokawski Calculus Section 10.5)

Chen Math Academy

51 views on YouTube · 4 years ago

Calc BC · The Ratio Test
16:23

6-7 Must Know Euler's Method of Differential Equation For Calculus BC

Chen Math Academy

41 views on YouTube · 4 years ago

Calc BC · Euler's Method
12:02

Calculus BC or Calculus 2 Slope Field and Differential Equations

Chen Math Academy

21 views on YouTube · 6 years ago