- Conics
- Parabola with Directrix, Focus, Axis of Symmetry Part 2
- Standard vs Vertex Forms
- Ellipse with Directrices, Eccentricity, and Foci Part 2
- Ellipse by String
- Construction of Ellipse
- Hyperbola with Directrices, Asymptotes, Eccen, etc. part 2
- Ellipse and Hyperbola Review
- A Cubic Solution of Omar Khayyam
- Archimedes' New and Improved Compass
- Van Schooten's Ellipse
- What-If-Not Conic Constructions #3
- Using focus and directrix
- Parabola from Four Tangents
- Matching an Ellipse
- Matching a Parabola
- Matching a Hyperbola
- Parabola as Envelope
- Ellipse as Envelope
- Hyperbola as Envelope
- Rubber Pencil Illusion
- String Art
- Curved String Art
- Tangent Chain to equal Circles
- hyperbola explorer
- Figure traced by midpoints of sliding rods
- Hyperbola Definition
- Ellipse & Hyperbola Construction by Circle
- Conics by a tangent circle