Rotating Ellipses

Two apps exploring rotating, tangent ellipses.

Tags: Ellipses, tangents, rotating

Proportional Puzzlers

A collection of puzzlers that involve points that are located proportionally by functions or constants on curves.

Tags: Proportional point, function, circle, radius, flower, puzzler, trace, ellipse, polar function

Conic Sections

Some apps involving ellipses , hyperbolas and parabolas

Tags: conic, ellipse, parabola, hyperbola

Trammels

Archimedes Trammel is a device for drawing ellipses.

Tags: trammel, ellipse, archimedes

Common Core Nuggets: Conics

This collection contains apps that will help teachers implement Common Core Geometry Standard G-GPE 1, 3 for High School Mathematics.

Tags: geometry, common core, conic sections, circle, ellipse, hyperbola

Generalizations of a Theorem from Archimedes Liber Assumptorum

The first diagram is from Archimedes' Liber Assumptorum (book of Lemmas). The later diagrams are generalizations to conics.

Tags: Archimedes, circle, ellipse, parabola, hyperbola