84/1000, infinity minus infinity, calculus 1 limit

80/1000, 1+1/2+1/3+1/4+...., the harmonic series diverges, calculus 2

Calculus 3 Made Easier: Work vs. Flux Explained

81/1000, understand the definition of the derivative

83/1000, don't use the quotient rule

82/1000, know the chain rule for derivatives!

Calculus students finding volume of solids

38/1000, don't get these derivatives wrong! calculus 1

42/1000, epsilon-delta proof of a limit, calculus 1

53/1000, sketching the graph of the derivative from the original function, calculus 1

Who's the Third Wheel?