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Demonstrations 21 - 40 of 104
A General Cone
Locating the Complex Roots of a Quadratic Equation
Caustics Generated by Rolling Circles
Practice Identifying Surfaces of Degree at Most Two
Numerical Iso-Optic Curve of the Ellipse
Iso-Optic Curve of the Ellipse
Implicit Function Transformations Quiz
The Ellipsograph, a Mechanism for Constructing an Ellipse
Dandelin Spheres for an Ellipse
Area under a Parabola by Symmetries
The Parabola's Evil Twin: Real and Nonreal Roots of a Real Quadratic
Tangents to a Rotating Ellipse
Projecting the Tangent Point of an Ellipse
Constructing Quadratic Curves
Focus and Directrix in a Quadratic Bézier Curve
Tracing a Line Segment Moving along an Ellipse
Cissoid of Diocles
Connecting Skew Axles with Hyperboloidal Gears
Rolling One Parabola on Another
Maximizing the Volume of a Right Circular Cone with Given Slant Length
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