MATH LINKS

Puzzle Links, Other Links

Math Resources -- Eric Weisstein's Mathworld, functions.wolfram.com, GAP, WWW Interactive Mathematics Server (WIMS), Encyclopedia of Integer Sequences, Encyclopedia of Triangle Centers, Math FAQ, Euclid's Elements, Math Constants, Inverse Calculator, Calculator's Center, Pavilion of Polyhedreality, KnotPlot, History of Mathematics, Mathematician of the day, Unsolved Mathematical Problems, Dave's Math Tables,The Integrator, Statistics, Math Symbols,Mathematical Atlas.

WWW Interactive Mathematics Server (WIMS) at http://wims.unice.fr/ by XIAO Gang, is fantastic.  There are many marvelous tools here, including a Matrix calculator (determinant, characteristic polynomials, eigenvalues), a Function calculator (provides derivatives, integrals, and graphs), Factoris (factors integers and polynomials), Contfrac (gives continued fractions), a Base converter (In ternary, Pi = 10.010211012222010211002 ... ), Ruler & Compass (allows geometric constructions), Sigma (computes finite and infinite sums), a Gallery of plots, and many math exercises.

Visual Mathematics -- Sodaplay, Miroslav Vicher's polyforms, Group Games, String Figures, Math Stamps, Andrew Clarke's Polyforms,Circle Packing, Livio Zucca's polyforms, Fractal Extreme Gallery, Erich's Packing Center,Geometry Junkyard,Mark Thompson's Recreations, Antikythera Mechanism, Xah Lee's Plane Curves, Michael Reid's Rectifiable PolyominoesWalter Fendt's Java Applets, Torsten Sillke's Packings, Tom Stilson's Attractors, Graphica,Pedagoguery Software(GrafEQ, Poly), Rodolfo Kurchan's Puzzle Fun, Math Magic, Quaternian Images,Crompton's Tessellations, Tesselmania, Jill Britton's tessellations, Symmetry and the Shape of Space, Crystals, Mathematically Beautiful Screen Savers page, Ishihama Yoshiaki Programs, A visual Sieve for Prime Numbers, The Knot Server, Michael Naylor Curiosities, Burr Solving,Story of Mathematics.

Online Math Books -- Book Recommendations, Mathworld (formerly CRC Encyclopedia of Mathematics), Around Godel's Theorem, Games of No Chance, Numerical Recipes in C,Journal Storage, Solutions of Eigenvalue Problems, The Mathemagician and the Pied Puzzler, generating functionology.

Other Sites -- Mathematica, MathSoft, Ivars Peterson's MathTrek,Golomb Rulers, Cut-the-knot, Pablo Moscato's Traveling Salesman, Kepler Conjecture, Harvey Heinz Magic SquaresCombinatorial Game Theory, USA Mathematical Talent Search .

Math Problems -- Math Contest (motivational questions), Hexi.

Puzzle Links
Daily Puzzles -- Scrabble Challenge, Ricochet Robot Challenge, Mind Sports Olympiad, Set, Mental State.
Weekly Puzzles -- Macalester College Problem of the Week,SMSU Problem Corner,Paint by Numbers, Primrose Lodge, Ken Duisenberg's weekly puzzle, Puzzability, Cryptic Crosswords,The NPR Puzzle of the Week.
Monthly Puzzles -- Math Magic, IBM Research, USA Mathematical Talent Search (quarterly), World Puzzle Championship (Contact info) (yearly).
Puzzle Archives -- Robert Abbott's Multistate Mazes, Bob Kraus's Logic Puzzles, Maze of Rah,The Burr Puzzles Site, Agon Design, American Mathematical Competitions, MIT Mystery Hunt, Andrea Gilbert's Rolling Block Mazes, Integer Puzzles, John Rowland's Countdown Solver, Dave Dyer's Lines Of Action, Andreas Ehrencrona's Life Applets, The Retrograde Analysis Corner, Non-chess Retrograde Analysis, Thinks.com, Scott Kim's site, PiF's Puzzles, Capetown puzzle, Karl Scherer's Site, The Edgar Allan Poe Cryptographic Challenge, Kaser games, Monty hall on the Monty Hall problem, Chip's Challenge, Puzzlemuseum.com,Ishihama Yoshiaki Programs.
Places you can buy puzzles: Kadon Enterprises, Puzzles.com, nemmelgebmurr.com,Meffert's Puzzles, Japanese Boxes, Stave Jigsaws, Rick Irby Puzzles, The Karakuri (Puzzle Box) Creation Group, LiveWire,The Marine Series, Puzzlecraft.com,Cleverwood (puzzle boxes and more),Grand Illusions,Puzzleman.com, Bits & Pieces, Nature's Tapestry, Pentangle.
FAQ -- Game Design, Cryptography,Puzzles,Math,Scrabble.
Lunar Lockout by Hiroshi Yamamoto, Nob, John Rausch, Goro Tanaka, Mine Uematsu, and Harry Nelson.  Read about Lunar Lockout -- in an article by John Rausch.  The applet is by Bob Kirkland.  Binary Arts will sell the puzzle soon -- get it!
Theseus and the Minotaur by Robert Abbott and Toby Nelson.  An incredible series of mazes.
Rolling Block Mazes see Robert Abbott's Things That Roll for a history.  Applet by Andrea Gilbert.
Sliding Block Puzzles by Nick Baxter.  Puzzles by Ed Pegg Jr, Serhiy Grabarchuk, Minoru Abe, Rodolfo Kurchan, Harold Cataquet, Michael McKee, Junk Kato, John H. Conway, Dick Hess, D.S. Cornwell, and Nob Yoshigahara.  You can get a Block Analyzer here.
Double Ball Tilt Mazes  Ishihama Yoshiaki got the idea to put two balls into a tilt maze, with incredible results.  See Robert Abbott's Tilt Mazes for some history and more links. 
Ricochet Robot Game by Hans im Glück.  Applet by Kevin Cowtan.  New challenge daily.
Paint By Numbers
Invented in 1988 by both Non Ishida (Nonogram (jp)) and Tetsuya Nishio (OEKAKI-Logic (jp)). Here is a Nonogram Solver site
Nishio's self-portrait
WIMS by XIAO Gang.  A wide assortment of interactive math puzzles and utilities.

Other Links
News -- CNN,ABCNews, Washington Post, New York Times, NPR, USAToday,TVGuide, Yahoo
Search Engines --  Google, Dogpile, Hotbot, Go2Net, Excite, Webcrawler, AltaVista, Yahoo, Lycos, Snap,LookSmart, MSN.
Math Resources not above -- Clifford Pickover's Fractals, Periodic Table of Mathematicians, Planetarium, Aufgabenarchiv (a German site), Rational points near curves and small nonzero |x^3-y^2| via lattice reduction, Covering the cube with pentominoes, Parrando's Paradox, World's Largest Tetris Game.
Other Resources -- Research-it,Political Leaders, HTML 4.0, WebElements, Internet Movie DB, Star Links,Acronyms,Bartlett's, Encyclopedia Britannica, I-Movie-DB, Patents, Bibliobytes, Bibliomania, Ain't it Cool, Ref Desk, Languages, Cambridge Dictionary,MW Dictionary, Classical Midi Archives, Amazon,OneAcross.com, B&N
Interesting stuff -- Moby Dick Code,Buy Elements, Pi, Fullerenes,Futurama Alphabet,Atmospheric CO2,1918 Flu,Chocolate Chemicals, US Mint, Dave Barry, Evil Overlord,Chaos.
Other Sites I like: Ken Knowlton dice pictures, StarOffice, Adrian Fisher Maze Design, Combo 5, Fractal Extreme Gallery, Baxter's Sliding Block Puzzles, Mathematical Atlas, Torsten Sillke's packings, Games of No Chance, Fractiles, John Bailey's Javascript,Brainbinder Origami, Hop's Escher Tiles, Tom Stilson's Attractors, Graphica,ISISDraw, Taniguchi's Programs, Ray Hamel's Crossword Links, ACM Programming Contest, Palindromes,NPL Wordlists, Michael Keller's World Game Review.
Games I like: Cheapass Games, Zillions of Games (Art of Games, Chess Variants), Fudge, Fuzion (Atomik), Cosmic Encounter, GameFAQs, Game Report Online, Marvel (Blue Elf,Nikolaj, Zans), WebRPG.  Game reviews are available from Games Games Games, Funagain Games, Game Report Online, Spiel Des Jahres, and Amazon.Avoid CD checks.

 My slow-loading page of image based puzzle links.
 

Search Engines
 Hotbot, Go2Net, Excite, Webcrawler, AltaVista, Yahoo, Lycos, Snap,LookSmart, MSN.

Math Resources
Dave's math Tables, Euclid's Elements, The Integrator, Integer Sequences,Math Constants, Math Database,Inverse Calculator, Calculator's Center, CRC Encyclopedia of Mathematics, Statistics, LiveGraphics3D,Mathematica, MathSoft, Tesselmania,Poly, Pavilion of Polyhedreality.

FAQs
Game Design, Cryptography,Puzzles,Math,Scrabble

News Sites
 CNN, ABCNews, Washington Post, New York Times, NPR, USAToday,TVGuide, Yahoo.

Other Resources
Research-it,Political Leaders, HTML 4.0, WebElements, Internet Movie DB, Star Links,Acronyms, Bartlett's, Encyclopedia Britannica, I-Movie-DB, Patents, Bibliobytes, Bibliomania, Ain't it Cool, Ref Desk, Languages, Cambridge Dictionary,MW Dictionary, Classical Midi Archives, Amazon,B&N.

Interesting Links
Moby Dick Code,Buy Elements, Pi, Fullerenes,Futurama Alphabet,Atmospheric CO2,1918 Flu,Chocolate Chemicals, US Mint, Dave Barry, Chaos.

Mathematical Recreation sites:  Miroslav Vicher's polyforms, Ivars Peterson's MathTrek, Andrea Gilbert's Maze Page, History of Mathematics, Mathematician of the day, Unsolved Mathematical Problems, Clifford Pickover's Fractals, Rodolfo Kurchan's Puzzle Fun, Favorite Math Constants, Xah Lee's Plane Curves,Erich's Packing Center,KnotPlot, Pavilion of Polyhedreality, Geometry Junkyard,Golomb Rulers, Cut-the-knot, Sloane's On-Line Encyclopedia of Integer Sequences, Pablo Moscato's Traveling Salesman, CRC Encyclopedia of Mathematics, Crompton's Tessellations, Kepler Conjecture, Planetarium,Aufgabenarchiv (a German site), Mind Sports Olympiad,Around Godel's Theorem,Harvey Heinz Magic Squares.

You can buy games at AMAZON,BITS AND PIECES, CHEAPASS, CLEVERWOOD, CUISENAIRE, eTOYS, FAO SCHWARZ, FUNAGAIN,J.C. PENNEY, KADON, K*B KIDS, KMART, NETOY, NICKELODEON, NOODLE KIDOODLE, NASCO, SMARTERKIDS, TOYS 'R' US, TOYSMART, WORLD OF SCIENCE, ZANY BRAINY, and ZOME.
 
 

 

Resources, Visual, Books

Day, Week, Archives

News, Search, Games