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

66/1000, derivative of e^(ax)*sin(bx), product rule and chain rule, calculus 1

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

Calculus Made Simple: Learn Calculus in Easy Steps

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

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

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

67/1000, derivative & integral of 67

Why Integration and Differentiation Undo each other? (Proof of the Fundamental theorem of calculus)