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

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

93/1000, why is the derivative 2^x equal to 2^x*ln(2)

37/1000, telescoping series, calculus 2

94/1000, finding dy/dx for y^y=x

79/1000, surface area of revolution, calculus 2

64/1000, solving dy/dx=y, separable differential equation

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

85/1000, why is the integral of 1/x = ln(x)+C?

68/1000, midpoint rule approximation for the integral of sqrt(1+x^3) from 0 to 2

97/1000, how to evaluate the limit of x-sqrt(x) as x goes to infinity

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

61/1000, integral of sqrt(x) from 1 to 9

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

71/1000, limits from a graph

63/1000, limit of x^x as x goes to 0+, calculus 1

40/1000, derivative of ln(x+sqrt(x^2+1)), calculus 1

3 Levels of Factoring #maths