Simple Drawing - Finding the Centres of a Triangle
Simple Drawing - Draw a Function and a Tangent to a Point
Simple Drawing - Ambiguous Case Demonstration
Moderate Drawing 1 - Calculating the Slope of a Line
Moderate Drawing 2 - Cartesian Vector Addition
Moderate Drawing 3 - Least Squares Demo
Advanced Drawing - Animating the tangents
Advanced Drawing -2- - Unwrapping the Unit Circle to Create Trig Graphs