Are you ready for calculus??

84/1000, infinity minus infinity, calculus 1 limit

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

Course Preview: Introduction to Calculus

How rectangles turn into an integral!

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

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

82/1000, know the chain rule for derivatives!

The Intuitive Meaning of Integrals (Calculus Explained Visually)