Geometrical Conic Sections: an Elementary Treatise, in which the Conic Sections are defined as the Plane Sections of a Cone, and treated by the Method of Projections. By J. Stewart Jackson ...

A TEXT-BOOK for students who have already finished the straight line and circle: its contents are about equally divided between the conic sections and the geometry of three dimensions, finishing ...

To Ellenberg, geometry is not a reprieve from life but a force in it — and one that can be used for good, ill and for pleasures of its own. It binds and expands our notions of the world, the web ...

But that wasn’t the end of the battle. Five years later, in 1830, a second “conic sections rebellion” was launched by 43 Yale students—among them future physician Alfred Stille—who ...

So today, I'm writing about using the KDE Interactive Geometry (Kig) program to teach mathematics. Kig allows you to use various tools to diagram and demonstrate different mathematical concepts. With ...