71/1000, limits from a graph

Calculus 3 Made Easier: Work vs. Flux Explained

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

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

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

75/1000, why dxdy=rdrdθ, computing the Jacobian, calculus 3

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

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