Calculus Day 1 - Introduction
Calculus Day 2 - Monotonicity, definition of derivative
Calculus Day 3 - Terminology, notation and derivative from first principles
Calculus Day 4 - Shortcuts
Calculus Day 5 - Equation of Tangent
Calculus Day 6 - Review
Calculus Day 7 - Stationary Point
Calculus Day 8 - Rates of change
Calculus Day 9 - Normal line and Optimization