120/1000, integral of 1/(1-x^2), hyperbolic tangent vs partial fraction

91/1000, they love asking this question on calculus 1 exams!

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

24/1000, integral of ln(x), integration by parts

82/1000, know the chain rule for derivatives!

126/1000, how to evaluate a limit with just algebra

130/1000, the answer is NOT 0, calculus derivative

123/1000, total derivative of z=f^g, calculus 3

121/1000, derivative of sin^-1(x), implicit differentiation

108/1000, the easiest way of sketching the derivative graph

5/1000, chain rule twice for derivative, calculus 1

99/1000, this integral will surprise YOU!

110/1000, a quick limit problem

114/1000, 3 rectangles under y=1/x from 1 to 2

37/1000, telescoping series, calculus 2

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

72/1000, integral of 1/sqrt(e^x-1), u substitution

79/1000, surface area of revolution, calculus 2

86/1000, the small-angle approximation, sinθ≈θ

117/1000, series of cos(1/n)