1. Recreational Mathematics An extensive list of web resources for recreational math.Category Science Math Recreations...... In that spirit, I list here some web resources for recreational math. My own recreationalmath pages recreational math publications. Dutch recreational math. http://www.ics.uci.edu/~eppstein/recmath.html

Recreational Mathematics Recreation is in the eye of the beholder, and not everything here was originally intended as recreational by its authors. Like many, I was inspired early on by Martin Gardner's Mathematical Games column, which included a mixture of puzzles, silliness, curious/useless math, and quite serious (but not overly technical) math. In that spirit, I list here some web resources for recreational math. My own recreational math pages: Recreational math publications Number Theory . Here be my implementations of some simple number-theoretic algorithms along with pointers to other number theory web pages. Combinatorial Game Theory . Mathematical strategies for games like chess, go, and nim. The Geometry Junkyard . Not all of my geometrical interest goes to serious research. This page contains a bunch of recreational geometry along with some research material such as open problem lists, lecture notes, usenet postings, and brief blurbs from my own papers. Gliders in "Life"-like cellular automaton rules Other people's recreational math pages (and serious pages on topics of recreational interest not covered by the three pages above): John Baez's finds in mathematical physics Busy beaver The puzzling world of Barry R. Clarke

2. Recreational Mathematics recreational mathematics Knot A Braid of Links POP Mathematics Interactive Mathematics Miscellany and Puzzles Palindromic Numbers and other Recreational Topics MathMania Mathematics Competitions Mathematical Games and Recreations http://camel.math.ca/Recreation/recreation.html

Recreational Mathematics Knot A Braid of Links POP Mathematics Interactive Mathematics Miscellany and Puzzles Palindromic Numbers and other Recreational Topics ... Mathematical Games and Recreations Humour in Mathematics Math Joke Collection 1 Math Joke Collection 2 Mathematics related comics and cartoons collection Mathematical Quotations Server ... Mathematical Recreation On Internet - Review Introductory paper by Mario Velucchi also see his comprehensive collection of Mathematical Recreations links The Diamond 16 Puzzle Questions? Comments? Suggestions for additions? Send Email to camel@camel.math.ca

3. Recreational Math Sumfun. recreational math. Online Games by Pimpernel http://webhome.idirect.com/~sumfun/fun3.htm

Sum fun Recreational Math Online Games by Pimpernel Web Yachtzee by Michael Jones Master Web by Brian Casey Web Battleship by Steve Belczyk Spiral Generator by David E. Joyce Strawberry Macaw's Puzzle Page by Mike Naylor Draw a Trochoid and Hear the Mandelbrot Set at Implicate Beauty Number Puzzles by Ken Egan Jewels in the Sand by Stanley Anderson Learn2 Play Go at Learn2.com Fermat's Last Theorem Poetry by Jeremy Teitelbaum Go Directly to JAIL! by Andrew Pinzler Let's Make a Deal by Francois Bergeron, David Little and Mike Mastropietro Factor Grid Game by Hugh Chou Ellipse Game by John Banks Brain Teasers at Houghton Mifflin Education Place Mathematics Center Math Challenge at Moanalua Intermediate School Mathematics for Fun at thinks.com Knot a Braid of Links at CAMEL Canadian Mathematical Community Clever Games for Clever People by Nancy Casey Interactive Mathematics Miscellany and Puzzles by Alexander Bogomolny Exercise Your Brain by Guy le Kindler Mr. J's Real Math Home Page by Jack Julian Mathematical Games, Toys and Puzzles by Jeff Erikson Unsolved Mathematical Problems by Steven Finch The 007 News The Wreckreational Math Newsletter at University of Toronto To other Funniosities topics Humour Mathemagic ... E-Mail at sumfun@idirect.com

4. Recreational Math recreational math Scroll Down for Links http://www.g4g4.com/recmath.htm

R E CR E ATI O NA L MA T H Scroll Down for Links home g4g4.com Challenge Help, Solve Unsolved and Partially solved problems from Ken's Archives- Click here to do problems now Problem: Scroll down for Links Next Card Color Betting: Paula shuffles a deck thoroughly and places cards up one at a time. Victor begins with a total bankroll of $100, and can bet any fraction of his current worth, prior to each revelation, on the color of the next card. He gets even odds regardless of the current composition of the deck, Thus, for example, he can decline to bet until the last card, whose color he of course knows, then bet everything and be assured of going home with $200. Is there any way Victor can guarantee to finish with more than $200? If so, what's the maximum amount he can assure himself of winning? From Peter Winkler- Games People Don't Play For Solution(will post May 1, 2000), e-mail webmaster@g4g4.com

5. Mathematics For Fun A variety of resources for games, numerology, puzzles, illusions, magic sqaures to enhance your love of mathematics! Number Theory. Organizations. Probability. recreational math. Reference. Software. Statistics. Trigonometry http://thinks.com/math

The brain games, puzzles and pastimes website Math Recreations The Largest Known Prime Can you beat it? Ball Drop Demonstrating the normal distribution curve Tackle a Crossfigure Puzzle Explore the best web sites for Mathematical Puzzles Explore the best web sites for Mathematical Recreations Java Kali Explore symmetry groups - and make fantastic patterns like this: Buy books on Math and Logic Puzzles and Mathematical Recreations Books by Martin Gardner Search Thinks.com. Type it and go! Search the Web. Type it and go! Search Amazon.com. Type it and go! Say what you think - e-mail us Fill out our Visitor Survey form Send free E-postcards to your friends How you can support Thinks.com Home Books Cash Games Crossword Central Family Fun Images Java Games Karaoke Online Math Recreations Postcards Puzzles Quizzical Quotes Shockwave Games Shopping Software Sounds Terrific Trivia Things Toys and Games Web Guide About Thinks.com Search the Web. Type it and go! Games, puzzles, features for your site or publication - visit our sales site Thinks-Global

6. David Eppstein - Publications See also my recreational mathematics web pages. 3rd Int. Mtg. Origami Science, Math,and Education (Asilomar, California, 2001), AK Peters, 2002, pp. 1728. http://www.ics.uci.edu/~eppstein/pubs/rec.html

David Eppstein - Publications Recreational Mathematics These papers are mainly for fun, although there is also some serious research content to some of them. See also my recreational mathematics web pages On the NP-completeness of cryptarithms D. Eppstein. SIGACT News A cryptarithm (also known as an alphametic ) is a puzzle in which the digits of a mathematical formula (typically addition of two large numbers) are replaced by letters; the goal is to determine which letter stands for which digits. If arithmetic is done in a polynomially large radix, the problem becomes NP-complete. BibTeX Citations Ten algorithms for Egyptian fractions D. Eppstein. Mathematica in Education and Research Number theory. I survey and implement in Mathematica several methods for representing rational numbers as sums of distinct unit fractions. One of the methods involves searching for paths in a certain graph using a k shortest paths heuristic. BibTeX Citations Also available in HTML and Mathematica notebook formats Zonohedra and Zonotopes D. Eppstein.

7. Math Games And Recreational Math Submit these puzzlers and have them personally graded by a math whiz MathematicallyInteresting Games For those of you who enjoy recreational, try playing these http://math.about.com/cs/recreationalmath/

zfp=-1 var z336=0; About Homework Help Mathematics Search in this topic on About on the Web in Products Web Hosting Mathematics with Deb Russell Your Guide to one of hundreds of sites Home Articles Forums ... Help zmhp('style="color:#fff"') Subjects ESSENTIALS Grade By Grade Goals Math Formulas Multiplication Fact Tricks ... All articles on this topic Stay up-to-date! Subscribe to our newsletter. Advertising Free Credit Report Free Psychics Advertisement Recreational Mathematics Guide picks Math puzzles, games, tricks, squares, and magic to stimulate and challenge your right brain. Archimedes Lab Something for everyone, including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities. Great brain food. Math Jokes and Math Humor Math Jokes for the math student, teacher or recreationalist. Have 'sum' math humor! Math Cartoons Math cartoons. Print and use on the overhead to begin each math class with a touch of humour. Brain Teasers A great site for the young student. Brain teasers for the 8-13 year old. These challenges help to improve your problem solving abilities. Clever Games for Clever People Exercise your brain with these great problem solving puzzles that are sure to improve your mathematical thinking and logic ability.

8. Math Games And Recreational Math - Page 2 Of 2 Recreational Stumpers Over 15 brainstumping puzzlers Give Math Flashcard Drills OnComputer $14.95 Save all the time you'd spend with flashcards or worksheets http://math.about.com/cs/recreationalmath/index_2.htm

zfp=-1 var z336=0; About Homework Help Mathematics Search in this topic on About on the Web in Products Web Hosting Mathematics with Deb Russell Your Guide to one of hundreds of sites Home Articles Forums ... Help zmhp('style="color:#fff"') Subjects ESSENTIALS Grade By Grade Goals Math Formulas Multiplication Fact Tricks ... All articles on this topic Stay up-to-date! Subscribe to our newsletter. Advertising Free Credit Report Free Psychics Advertisement Recreational Mathematics Guide picks Previous Probability Puzzlers Great puzzlers to challenge you, complete with solutions if you need them. Puzzle Competitons Some excellent brain teasers/boosters to challenge your right brain. Solutions are provided in some instances. Puzzles, Games and Amusements for All Ages Great to do a parties and gatherings. A variety of games and challenges. Recreational Stumpers Over 15 brainstumping puzzlers. A few hints are provided; however, you're on your own for solutions! SUM Fun! A great combination of brain teasers, puzzles, clever games and unsolved problems to challenge the mathematical minds of all ages. Previous Email this page!

9. Recreational Math... By Luis Subject recreational math Author Luis luisvi@mufasa.ens.uabc.mx Date 28 Jan 99 231635 0500 (EST) I need to know, what is recreational math? http://mathforum.com/epigone/math-teach/mandkhelto/qarypwvgpwib@forum.swarthmore

Recreational Math... by Luis reply to this message post a message on a new topic Back to messages on this topic Back to math-teach Subject: Recreational Math... Author: luisvi@mufasa.ens.uabc.mx Date: 28 Jan 99 23:16:35 -0500 (EST) I need to know, what is Recreational Math? The Math Forum

10. Sumfun Freeware. 2, Mathemagic, Connoisseurs, Distance Education, Other Products.3, recreational math, Clubs and Contests, On Line Tutor, Hot Flashes.4, http://webhome.idirect.com/~sumfun/

Sum fun The Trail of the Math Slug "Math...It's not just for inchworms anymore." Funniosities Math Info Virtual Teacher Math Stuff Humour Math Maps Education Links Demos and Freeware ... E-Mail at sumfun@idirect.com Site last updated: April 5, 1999.

11. Math.com Classroom Recreational Math on their toes including you! Puzzle Collection Problems of the Weekrecreational math for Everyone. Forum Web Units and Lessons http://www.math.com/teachers/recreational.html

Home Teacher Parents Glossary ... Email this page to a friend For Teachers Teacher Centers Recreational Math Problem of the Week ... At Home Resources Cool Tools Formulas References Test Preparation ... Wonders of Math Search Puzzles and games can bring math to life with challenges guaranteed to keep everyone on their toes - including you! Puzzle Collection Problems of the Week Recreational math for Everyone Forum Web Units and Lessons A collection of web-based, interactive and multimedia units created by teachers. Many use alternate materials and cross-curricular activities to extend math beyond the textbook. (Math Forum) Student pages: Pages designed to spark student interest in the "cool" side of math. Fractals Chaos Tessellations Spirograph ... Roman Numeral Calculator FREE Software Click here to get your FREE Software Contact us Partnership Link to us Legal Notices . Please read our Privacy Policy

12. Re: Recreational Math... By Ted Alper I need to know, what is recreational math? Personally, I think all math is recreational math. No, I take that back. http://mathforum.com/epigone/math-teach/mandkhelto/199901292011.MAA13469@Turing.

Re: Recreational Math... by Ted Alper reply to this message post a message on a new topic Back to messages on this topic Back to math-teach Subject: Re: Recreational Math... Author: alper@csli.stanford.edu Date: The Math Forum

13. Math.com Recreational Math Roman Numeral Calculator. Articles. American Mathematical AssociationOnline columns (some monthly, some more often) on recreational math. http://www.math.com/everyone/recreational.html

Home Teacher Parents Glossary ... Email this page to a friend Resources Cool Tools References Test Preparation Study Tips ... Wonders of Math Search Math.com Online Puzzles - A collection of interactive online puzzles based on historic games. Online Rubik's Cube - Guaranteed to keep you online past bedtime! (Advanced Topic - Notes on the Math of Rubik's Cube Famous Puzzles - Exercise your brain with problems that have kept people guessing for centuries! (Math Forum) Cut-the-Knot Interactive mathematics miscellany and puzzles. (Alex Bogomolny) Fractals Chaos Tessellations Spirograph ... Roman Numeral Calculator Articles American Mathematical Association Online columns (some monthly, some more often) on recreational math. Scientific American: A Century of Mathematics How can we evaluate what has been accomplished and guess at what's to come? FREE Software Click here to get your FREE Software Exclusive Math.com Offer

14. Recreational Math: Introduction In this section of Lionel Deimel’s Farrago, you will find discussion oftopics in recreational math where I have made some small contributions. http://www.deimel.org/rec_math/rec_math.htm

Previous Home Next I was doing mathematics—arithmetic, at any rate—for recreation as early as age 6, although it was not until I got to junior high school that I encountered what is generally known as recreational mathematics. It was in junior high that I encountered a charismatic teacher, Mrs. Eunice Williams, who gathered around her, Pythagoras-like, a group of talented math students and infected them with her excitement and love for mathematics. At least two students in my class eventually became professional mathematicians, and I studied computer science in graduate school and minored in math. In fact, when I had a rare opportunity to take a free elective in college, I chose a linear algebra course. In graduate school, one of my favorite courses was modern algebra. My dissertation was in automata theory, which comes perilously close to being a topic of recreational mathematics, which is how I viewed it while I was still an undergraduate. I enjoy mathematical puzzles and problems of all kinds, although I don’t spend a lot of time working on them. Every so often, however, a problem really engages me—particularly if it can be generalized—and the topic becomes consuming. Working on such a project helps me keep my mathematical skills sharp and gives me an excuse to do things that I wouldn’t normally do in the course of my work.

15. Lionel Deimel's Farrago Includes professional data, resources for churches, essays, computerinformation, language notes, poetry, and recreational math. http://www.deimel.org/

Web Log Brief essays on a variety of topics may be found in Lionel Deimel’s Web Log , which is indexed on the Site Map page. This is not the usual daily brain dump, though it does include some stories of daily life. New for 3/17/2003 Prayers for Peace : Appropriate prayers from the Book of Common Prayer In Church Resources The hymn “ O Lord the Invisible ” can now be read or heard (3/14/2003). My Web guide to information about the (now seemingly concluded) Accokeek affair, Accokeek Links , is newly revised (3/11/2003). In Commentary Read “ Blinking Lights ” to see why I am enjoying my new router and modem (12/5/2002). “Farrago”? The farrago of pop may make the period setting easier for kids to take, but it’s an experiment dictated by fear of committing yourself to any one sound, to any one composer’s imagination of love. From a review of “Moulin Rouge” by David Denby in the May 28, 2001 issue of The New Yorker “Farrago” was also Dictionary.com’s Word of the Day for

16. Recreational Math recreational math, In that spirit, I list here some web resources for recreationalmath. David Epstein http//www.ics.uci.edu/~eppstein/recmath.html. http://www.g4g4.com/recmath1.htm

R E CR E ATI O NA L MA T H Challenge Help, Solve Unsolved and Partially solved problems from Ken's Archives- Click here to do problems now TO EXCHANGE Recreational Math books available: (topics: dissections, Pentominoes, inversions, fourth dimension, problems, Martin Gardner)- Click Here for selection Links: Featured Links: Number Line : "Number Line was invented in Japan. At first it may seem difficult, but don't worry..... Cube Lovers archives Cliff Pickove Ed Pegg Jr Weekly column in the spirit of Mathematical Games. Francis Edward Su The Fair Division Calculator for dividing cakes, chores, or rent; and Math Fun Facts!, a collection of interesting math tidbits! Journal of Recreational Mathematics: Charles Ashbacher NEW! May 2001 Juegos de Ingenio Ivan Skvarca, In Spanish NEW! May 2001 Shufflebrain - Original web games by Scott Kim NEW! May 2001 Ivars Peterson's MathTrek A weekly helping of new developments in mathematics, math in everyday life, with updates on a variety of puzzles and games. http://sciencenews.org

17. Recreational Math (Riddle, Puzzle, Brain Teaser) - Numericana The Eugène Strens recreational mathematics Collection (University of Calgary).Math Puzzles in Sam Loyd's Cyclopedia listed by Donald E Knuth (UC Stanford). http://home.att.net/~numericana/answer/recreational.htm

home index units counting ... physics Final Answers , Ph.D. Recreational Mathematics Counterfeit Coin Problem : In 3 weighings, find an odd object among 12, 13, 14. Unabridged discussion General Counterfeit Penny Problem : Find an odd object in the fewest weighings. Unabridged discussion Seven-Eleven : Four prices with a sum and product both equal to 7.11. Equating a right angle and an obtuse angle , with a clever false proof. Choosing a raise : Trust common sense, beware of fallacious accounting. 3 men pay $30 for a $25 hotel room , the bellhop keeps $2... Is $1 missing? Chameleons : A situation shown unreachable because of an invariant quantity. Sam Loyd's 14-15 puzzle also involves an invariant quantity (and two orbits Einstein's riddle : 5 distinct house colors, nationalities, drinks, smokes and pets. Numbering n pages of a book takes this many digits (formula). The Ferry Boat Problem (by Sam Loyd): To be or not to be ingenious All digits once and only once : 48 possible sums (or 22 products). Crossing a bridge : 1 or 2 at a time, 4 people (U2), different paces, one flashlight!

18. Recreational Math Problems recreational math Problems. This page contains a list of recreationalmath problems I have accumulated over the years. Some people http://www.sos.mtu.edu/cssa/lijie/RecMath.html

19. [Tutor] A Recreational Math Problem For Useless Python Tutor A recreational math problem for Useless Python. Danny Yoodyoo@hkn.eecs.berkeley.edu Sun, 12 Aug 2001 181901 0700 (PDT) http://mail.python.org/pipermail/tutor/2001-August/007973.html

[Tutor] A recreational math problem for Useless Python Danny Yoo dyoo@hkn.eecs.berkeley.edu Sun, 12 Aug 2001 18:19:01 -0700 (PDT) Previous message: [Tutor] Re: Tutor digest, Vol 1 #1015 - 1 msg Next message: [Tutor] A recreational math problem for Useless Python Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Previous message: [Tutor] Re: Tutor digest, Vol 1 #1015 - 1 msg Next message: [Tutor] A recreational math problem for Useless Python Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

20. Math, Recreational Math, Chess Link Pages By Mario Velucchi Math, recreational math, Chess link pages by Mario Velucchi. THIS SITEHAS MOVED. PLEASE UPDATE YOUR BOOKMARKS! If you have not been http://www.geocities.com/SiliconValley/9174/material.html

Math, Recreational Math, Chess link pages by Mario Velucchi THIS SITE HAS MOVED PLEASE UPDATE YOUR BOOKMARKS! If you have not been transferred within five seconds click here http://www.bigfoot.com/~velucchi/singmast/material.html

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