Lectures on Elementary Mathematics is an 1898 translation by Thomas J. McCormack of lectures delivered…
Tag: geometry
Leçons de Géométrie Supérieure
The ebook Leçons de Géométrie Supérieure (Lectures on Higher Geometry) by Ernest Vessiot comprises notes…
General Investigations of Curved Surfaces
Mathematicians of the 18th century studied surfaces in 3-space using unit normal fields, local coordinates,…
Symmetry and Groups
Symmetry Natural forms such as snowflakes, sea shells, water droplets, mineral crystals, and faces exhibit…
Projective Geometry
Rays and Perspective Imagine a flat floor extending to infinity in all directions and covered…