Miscellaneous Links

Statistics

My personal combinatorics notes taken from a series of lectures given in 1992 at Rutgers University by Prof. Rochelle Liebowitz of Wheaton College.
A list of assumptions and other rules-of-thumb for inferential statistics.
If you know a bit about programming and are up for a challenge, try learning the statistical programming language R. You can download it for free (in any platform) at the R project site. R has high quality graphics, and can do more statistics than you will probably ever learn. Here is a link to a list of helpful worksheets about R written by Dr. Bob Hayden.
The Wald Line is an interesting compromise between the Least Squares Regression Line and the Median-Median Line.
Here are links to sites with interactive Java applets.
- The Virtual Statistics Lab at Rice University.
- The Wise Applets from the Claremont Graduate Schools.
- A Stem & Leaf plotter.
- Globally Accessible Statistical Procedures (GASP) collected at the Univ. of South Carolina.
- Interesting JAVA Applets compiled at Duke University.
- The CUWU Statistics Program by John Marden at Champaign-Urbana Web University.
- Rice Virtual Lab in Statistics developed by David lane and others ar Rice University.
- Virtual Statistics Lab by Kyle Siegrist at Alabama-Hunstville.
- JAVA Applets by Balasubramanian Narasimhan at Stanford University.

Encyclopedia of Mathematics Eric Weisstein's comprehensive site.
Dr. Ron Knott's Fibonacci Numbers site has over 200 pages of everything you would ever want to know about these fascinating numbers.
Dr. Neil Sloane's Encyclopedia of Integer Sequences allows you to look up information on just about any sequence you can imagine.
There is so much stuff at the cut-the-knot website that I couldn't possibly list everything.

Alexander Bogomolny's Geometry page Geometry-related articles.
Dick Klingens's Math Pages (in Dutch).
Encyclopedia of Triangle Centers.
Edward Brisse's Geometry Pages Triangle Centers, Lines, Conics, etc.
Forum Geometricorum.
Floor van Lamoen's Geometry Page (in Dutch).
Gilles Boutte's Geometry pages Geometry Articles (in pdf format).
ISOPTIKON Freeware Geometry Program.
Maurice Starck's world of polyhedra.
Paul Yiu's Geometry Page Links to three online geometry books and to several geometry papers.
Quim Castellsaguer's The Triangles Web. Triangle Geometry Pages (in Spanish) (in English).

cut-the-knot also has all sorts of mathematical games and puzzles including analyses. Try flipping pancakes or the four knights game.
The Game of Sprouts is an interesting graph theory game invented by John Conway and Michael Paterson.
See if you can figure out how Mind Reader works.
The classic game of Mastermind is great for developing skills in logic.
Clickmazes offers a variety of puzzles and mazes to challenge you.
Can you get Theseus out of these mazes before the minotaur gets him?
Dots & Boxes is a very subtle game. You might want to start with a 3x3 board before tackling the larger boards. Be careful! The computer plays to win.