Wolfram Research
Wolfram Math World: Geometry
This MathWorld tutorial provides detailed overviews of the concepts and theorems associated with geometry. Most of the Math World sites are extensive and some require higher math knowledge to understand, links to terms and topics are...
New York Times
New York Times: Steven Strogatz on the Elements of Math Series the New York Times
[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...
Wolfram Research
Wolfram Math World: Calculus and Analysis
Over two dozen links are provided at this MathWorld site. From Polynomials and Series to Dynamical Systems and Catastrophe Theory, each link provides in-depth explanations and relevant diagrams of the topics at hand.
Princeton University
Princeton University: Eisenhart, Luther Pfahler
This account of the work of mathematician Luther Eisenhart concentrates on his contributions to Princeton University where he taught for many years. In addition to working and publishing in mathematics, Eisenhart held various influential...
University of St. Andrews (UK)
University of St. Andrews: Luther Pfahler Eisenhart
The School of Mathematics and Statics at the University of St. Andrews, Scotland, presents this article on the life and work of Luther Eisenhart (1876-1965 CE). Eisenhart, an American mathematician who lived well into the 20th century,...