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Include news, math tricks, methods, facts, trivia, mostly posted by users.
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CuriousMath.com Math is an attitude You can register for free by clicking here Sponsored Links Welcome to CuriousMath.comWant to learn how to quickly square a number that ends in 5? Or how to tell if a number is divisible by 3? Or maybe you'd like...An extensive list of web resources for recreational math.
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David Eppstein 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've collected many pages and links of recreational math...A method of disproving the Theorem of Pythagoras is presented. The author is adamant that this is intended only as a puzzle to find the mistake in the arguments, and not as a serious proposal.
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Pythagorean Problem The following work is presented as a mathematical puzzle. It is NOT a valid proof, but serves to illustrate the problems that can arise if one is not familiar with postulates and conditions of various theorems. Read it and try...Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html
At Mathematics Museum (Japan) you would be surprised how interesting mathematics is. You will find exhibition rooms produced by Japanese researchers and educators.
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Mathematics Museum You can enter exhibition rooms from the lobby here. A Journey to Wasan Atsunan Live Math Deformation of Catenoid to Helocoid Fractal3D Gallery Geometry of Wall Paper Patterns Introduction to Geometry, Ibaraki University, 2002 Kodawari House Math-Cut Studium Rotating Barth's...Devoted to exploring the more entertaining (and generally lesser known) areas of mathematics. Can be enjoyed by anyone, from individuals with little or no math background to professors of the subject.
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Welcome to Mathematrix Due to the large number of visits to this website (thanks everyone Mathematrix has now moved to: http math.dartmouth.edu/~leejstem/mathematrix/index.html Please update your bookmarks and links. If you have any questions, please feel free to send me an e-mail. My e-mail...Furman University Mathematical Quotation Server - random or searchable math quotes.
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Mathematical Quotation Server Life is good for only two things, discovering mathematics and teaching mathematics--Siméon Poisson Quick links Search Browse Download Random A Random Quotation: Carmichael, R. D. A thing is obvious mathematically after you see it. In N. Rose (ed Mathematical Maxims...The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.
http://www.cam.ac.uk/CambUniv/Societies/archim/eureka/
Given a m * n rectangle, place all numbers from 1 to mn that minimizes the sum of the products of rows and columns (both in Spanish and English).
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Table of numbers problem If you are using that software, you should enable JavaScript, and then reload this page....Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.
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The Sound of Mathematics Press play on the small console if you wish to hear the last addition. Playing: pi Four Parts in A Harmonic Minor MUSIC Page Section MIDI Combinatorics Pascal's Triangle Listen 4 47 24 kB Permutations Listen 2 30 12 kB...A page on polyiamond puzzles. Includes many pages on tessellation.
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iamond This header plots the critical line of the Riemann Zeta Function. A complete understanding wins a $1,000,000 prize Main Links Orders Post Next Page Next 10 iamonds polyform page. octiamonds. Examples of Chinese Lanterns which are each covered by the...A forum for posting messages about math recreations. Hosted at Delphi.
http://forums.delphiforums.com/recmath/start/
A brief digression into how people perceive symmetrical patterns -- what makes them boring, interesting, or overly intricate
http://home.earthlink.net/~jdc24/symmetry.htm
A list of mathematical fictional movies, books, stories, plays and shows. Split into categories including children's books. Can be sorted by mathematical content and literary quality.
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Mathematical Fiction Homepage Homepage a list compiled by Alex Kasman (College of Charleston) Home All New Browse Search About Do you like fiction and mathematics? Are you looking for a book or story that might be useful for the students in your math...Book list split into categories. Includes title, author, publisher and date information about each book.
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Basic Library List-Recreational Mathematics Recreational Mathematics Back to Table of Contents Recreational Mathematics: Surveys Averbach, Bonnie and Chein, Orin. Mathematics: Problem Solving through Recreational Mathematics New York, NY: W.H. Freeman, 1980 Ball, W.W. Rouse and Coxeter, H.S.M. Mathematical Recreations and Essays, Mineola, NY: Dover,...Contains math, puzzle, geometry, illusions, mazes, links, articles and problems.
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Math, Puzzles, Magic, Mazes, Illusions Schepker has created glass sculptures, glass lamps, based on math and geometry -Site of the Week Welcome to G4G4.com Please explore a category to the left, below or above New York Times, April 3, 2004 Puzzles Math Magic devotees of...A guide to major motion pictures with scenes of real mathematics.
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Math in the Movies Movies and some great sound clips of math scenes from National Public Radio. New! Letters to Math in the Movies and Mathematicians in the Movies Your letters on over 80 different movies with at least a little math content, and...Profile and description of his mathematical games and puzzles.
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Kadon Enterprises, Inc Wade Philpott profile He was adopted by his aunt and uncle, Viola and George Philpott, in 1921, and his name was changed to Wade Edward Philpott. He graduated from Ohio Northern University with a degree in engineering and became a Registered Engineer in...A special collection at the University of Calgary Library.
http://www.ucalgary.ca/library/SpecColl/philpott.htm
A article about him and his interests and contributions to recreational mathematics.
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World of Escher Roger Penrose Sign up for our low volume newsletter. We give away a poster every month. Recreational Mathematics? That's right recreational math; the passion of Sir Roger Penrose who was recently knighted for his outstanding contributions to mathematics. Roger Penrose, a professor...An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.
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You should be forwarded automatically to www.scottaaronson.com/writings/bignumbers.html. Please update your bookmarks....This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM).
http://gfm.cii.fc.ul.pt/Members/jr_poliedros-puzzles_en.pdf
An archive of interesting math facts for use in the classroom or just for fun. Browse by subject, difficulty, keywords, or try the "random" feature. Based at Harvey Mudd College.
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Mudd Math Fun Facts! This archive is designed as a resource for enriching your courses with mathematical Fun Facts! Use the sidebar at left to get a random Math Fun Fact, or search our growing archives! Or, check out our many other features: What's...Contains a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
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Fair Dice This header plots the critical line of the Riemann Zeta Function. A complete understanding wins a $1,000,000 prize Main Links Orders Post Next Page Next 10 Odds of a dimpled die, out of 10,000 tosses, using a Markov Chain model...By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"
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Joseph Malkevitch: Tidbit: Geometric Packing X how and when can one pack identical copies of this shape into another shape Y? Here the use of the word pack means that we are allowed to have the packing shapes overlap one another only on their boundaries...Puzzles and problems connected with numbers using the digits 1-9.
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The Nine Digits Page 123456789 The square itself is this nice palindrome 69696. Note the presence of the number of the Beast 69696 Did you know that when we power up 264 with two exponents and add them up that we arrive at a pandigital...Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.
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Mathematik.com All triangles are equilateral Mathematik.com, 1999-2005 dynamical-systems.org Feedback Oliver Knill...Mostly original diversions in mathematics and word play.
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Mike Keith's Home Page Web site of mostly original diversions in mathematics and word play. I hope you find something enjoyable here, and I would be pleased to hear of any discoveries or further work related to the topics below Contact me here Publications...Links collected at CAMEL, the Canadian Mathematical Society website.
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Recreational Mathematics 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...A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.
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MAT 007 I News Information News is a recreational mathematical newsletter edited by undergraduate mathematicians of the Department of Mathematics at the University of Toronto. 007 News is printed bioccasionally (twice annually) and is affiliated with the University of Toronto Student Chapter of the Mathematical...A newsletter with programs, including optional supplemental PC disk. All back issues are available. Topics include puzzles and teasers, BASIC programming, letters, graphics, fractals, challenges, recreation, reviews, word-play, humor, tips, solutions, and Mathemagical Black Holes.
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REC This page uses frames, but your browser doesn't support them....Book list including titles, authors, publishers, prices, page count and some have links to Amazon.com.
http://www.treasure-troves.com/b...oks/RecreationalMathematics.html
Polyhedral dice and their properties.
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Properties of Dice Gamers use all sorts of dice. Dice are usually some sort of regular polyhedra. Best known are the Pythagorean solids, the classical d4, d6, d8, d12, and d20, but other shapes are also used, primarily the d10. In addition to...Includes pages on magic squares and polyomino patterns and contains related java applets.
http://web.idirect.com/~recmath/
70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web.
http://www.geocities.com/Athens/Agora/2160
Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois.
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Maths Index Magic squares from the digits of prime reciprocals. Rep It Up More magic squares from reciprocals. Dying Jungian Rimbaud vs Galois, or Poetry vs Maths Platonic Hex (NEW 22/ii/2004) Magic Platonic polyhedra. Sequence and Pearls (NEW 14/iii/2004) Patterns created by...A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.
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HAKMEM CONTENTS DRAFT, NOT YET PROOFED Retyped and formatted in html Web browser format) by Henry Baker, April, 1995. The goal of this html document is to make HAKMEM available to the widest possible audience including those without bitmapped graphics browsers. Therefore, equations have been formatted...Teaching and recreational items in this personal collection.
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LIST OF AVAILABLE MATERIAL by Prof. David Singmaster I have compiled materials for teaching and for my own interests. I am happy to share these with interested people. Titles here are descriptive and may vary slightly from what is on the document. Copies at hand may vary in...Information on the mathematics of paper folding.
http://web.merrimack.edu/~thull/OrigamiMath.html
Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.
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Gardner Index This is a crude index to fifteen books containing collections of Martin Gardner's articles from Scientific American. References are to chapters, not pages. I have found his articles invaluable in gathering interesting material to supplement standard textbook stuff In fact,...A fascinating selection of poems by various poets based on the seemingly incongruous aesthetic and theme of mathematics.
http://kate.stange.com/mathweb/mathpoet.html
Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves.
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Narcissistic Numbers Since this section deals with numbers in love with themselves, narcissistic numbers will be defined as those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves. Definition by Joseph S. Madachy, Mathematics on Vacation,...A special collection at the University of Calgary, including the archives of Martin Gardner. There is a searchable online index.
http://www.ucalgary.ca/library/SpecColl/strens.htm
By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.
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Recreational Mathematics Topics Pythagorean triplets and other things about sums of powers. Geometry Classics Return to Professor Dutch's home page. Created 30 Dec 1996, Last Update 17 May 2005 Not an Official UW-Green Bay Site...A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.
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Mathematical Quotation Server Life is good for only two things, discovering mathematics and teaching mathematics--Siméon Poisson Quick links Search Browse Download Random A Random Quotation: Hermite, Charles (1822-1901) We are servants rather than masters in mathematics. In H. Eves Mathematical Circles Squared, Boston:...An interdisciplinary course on mathematics in art and architecture.
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Mathematics in Art and Architecture The goal of the course is to study connections between mathematics and art and architecture. You will see how mathematics is not just about formulas and logic, but about patterns, symmetry, structure, shape and beauty. We will study topics like...A java applet for creating Spirograph images.
http://dogbomb.com/spi/
In his classic A Mathematician's Apology, G. H. Hardy likened mathematics to poetry and painting. This site elaborates on Hardy's remark with quotations from Stevens, Klee, Fry, and Focillon. Links to related sites are given.
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A Mathematician's Aesthetics This page is my contribution to the growing genre of art quotes web sites. It gives the background for some of my mathematical work S. H. Cullinane, August 1, 2000 G. H. Hardy on the Nature of Mathematics A mathematician,...A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.
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Think Labyrinth: Maze Algorithms Maze can take one item from each of the classes in any combination. Dimension: The dimension class is basically how many dimensions in space the Maze covers. Types are: 2D: Most Mazes, either on paper or life size, are this...Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, didactic numbers, and number theory.
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jlpe's number recreations page The concept of number is the obvious distinction between the beast and man. Thanks to number, the cry becomes song, noise acquires rhythm, the spring is transformed into a dance, force becomes dynamic, and outlines figures. Joseph Marie de Maistre...A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.
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Skytopia Super Magnet colorful molecule and atom worlds Magnet colorful molecule and atom worlds Bouncing Bubbles In animation, these bubbles bounce around convincingly squashing into each other and finally coming to rest. Click here for the full animation!(AVI format 2.2 Meg zip download) So much better when it's...A windows application that creates mathematically precise spirograph drawings; savable as images.
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Spirocharts: Create your own spirograph Advanced spirograph drawing tool for Windows SpiroCharts is a Windows application that displays and saves Spirograph drawings. It's very easy to use. Just construct a Spirograph object selecting the parameters using the sliders. The spirograph will be displayed automatically. You...Combines high school and college math topics into sports applications.
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SPORT LAB math teaching with sports exitement If you are not a member be our guest Click on GUESTS T t t t t t All rights reserved to SportLab sportlab@yahoo.com...Features interesting facts about different numbers. Includes favorite related links.
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Number Recreations by Shyam Sunder Gupta The above topics including many more will be added in due course. My Contributions in Prime Curios Prime Curios site maintained by G. L. Honaker Jr. and Chris Caldwell 1 2 3 5 6 7 11 13 14 19 23...Creates a special kind of summation formula created by John Conway.
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Look and Say (audioactive evolution) Look and say is a simple sequence generator: for example start with 1 and describe it as one one, which might be written 11 which in turn could be described as two ones, which might be written 21 which in...Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources.
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Fractal Horizons chapter 7 Copyright 1994 Mario Hilgemeier Bottomley with permission Copyright 1994 Mario Hilgemeier Part 1 Part 2 Fractals seem to provide a unifying metaphor for many phenomena in science, art, management and other disciplines. In this chapter, an informal collection of essays, I will show some...Includes description, solutions and other resources on this cube-like puzzle.
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(Back to) Square One Cube 21 A short note about odd permutations Method 1 Separate layers, then solve corners, then edges. Phase 1: Put pieces in their layers. Phase 2: Put the corners correct. Phase 3: Put the edges correct. Method 2 Solve corners, then edges....Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic.
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Fast Arithmetic Tips The skills of computing fast might be classified into three broad categories. Offensive. The purpose is getting the result fast. Example: Compute 4753. Answer: 502 2500, 32 9. Therefore 4753 2500 9 2491. Defensive. The purpose is to quickly establish...Includes puzzles, jokes, quotations, poetry, and FAQs.
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mathmos.net http www.mathmos.net/ mathmos.net Mathematics, n. pl. the abstract science of space and quantity Welcome to mathmos.net, a place for recreational mathematics, fun and trivia. Content Puzzles Random Bits and Pieces Mathematical Data Frequently Asked Questions Other Domains The Polyhedra Pages...Visual animations of famous curves.
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Famous Curves This program was created by Jorge A. B. Soares 2003 all rights reserved Graphing routines use the Java applet JSgraph version 1.0 which was developed by D.R. Watson and Srikanth Reddy Janumpally, and can be found at http sci.vu.edu.au/~drw/dwdraw/JSgraph.html function...Interactive java puzzles and activities in different mathematical topics.
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Interactive Mathematics Activities Multiplication table up to 2020 Sieve of Eratosthenes Sieve of Squares Soroban in Various Number Systems Suan Pan in Various Number Systems Sums and Products Sums of Powers of Digits Two Simple Equations Algebra Binary Color Device Breaking Chocolate Bars...A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.
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Math Forum: 2001 Mathematics Game For many years mathematicians, scientists, engineers and others interested in mathematics have played year games via e-mail and in newsgroups. We don't always know whether it is possible to write expressions for all the numbers from 1 to 100 using...A contest where the contestants have to write all integers from 1 to 100 using only the digits 2,0,0,2 and arithmetic operations.
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Math Forum: 2002 Mathematics Game For many years mathematicians, scientists, engineers and others interested in mathematics have played year games via e-mail and in newsgroups. We don't always know whether it is possible to write expressions for all the numbers from 1 to 100 using...York University's Undergraduate Math Club with informations on math competitions and a problem solving forum.
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Club Infinity Infinity home fun club exams York University's events math Undergraduate Math Club community Math BOOKS, BOOKS, BOOKS Planning to buy some books online? Club Infinity has joined the associate programs at both amazon.ca and chapters.indigo.ca. This means that if you...Mathematics Hots (Problems) by Bruno Kevius
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Mathematical Problems Problem Solving Mathematical Competitions Competitions not a complete list, only what I happened to see The 3x+1 problem and its generalizations The 3x+1 problem, also known as the Collatz problem, the Syracuse problem, Kakutani's problem, Hasse's algorithm, and Ulam's problem by Jeff Lagarias 21st...A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.
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Stunning Friends With Math Magic Gluing and cutting strips of paper Hummer's Mind Reader Math Card Trick No Questions Asked Number Guessing Game Splitting Piles Sums and Products Scrub tiles puzzle Magic in Square Gergonne's Magic Trick Bachet's Magic Trick Two Numbers Guessing Game Copyright...A page of uncommon problems, most closely connected with number theory.
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Mathematical Induction Math Induction Problems and Puzzles A page of uncommon problems, most closely connected with number theory. Some properties may be proved in different ways.For more exercises, problems, puzzles, games, math riddles, brain teasers, etc. to see the site Art of Problem Solving New Problems Let...Visitors are invited to analyse the verses to discover mathematical puzzles and riddles. They are invited to offer solutions.
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index hunt-snarking ...Includes pages on the topics of primes, fibonacci numbers, PI computation, data encryption and links to calculator programs.
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Fun With Mathematics Harry J. Smith's Home Page Click the photos to enlarge them. Sign Guestbook View Guestbook View my old guestbook1 guestbook2 guestbook3 Mathematicians This page accessed times since June 7, 1997. Page created by: hjsmithh@sbcglobal.net Changes last made on Saturday, 08-Oct-05 18:05:22 PDT Top of page...Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon.
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Final Answers Science NUMERICANA Pages detailed index below) Units Measures EllipsePerimeter Mathematical Recreations Symbols and Icons Geometry Topology History Culture Roman Numerals Chemistry Practical Formulas Index (this page) Home (numericana.com) Polyhedra Combinatorics Numerical Constants Numbers Area of an Ellipsoid Functions (trig.etc Coats-of-arms Physics Counterfeit...Home of Simon Singh: author, journalist and TV producer, specialising in science and mathematics. Cryptography is one of his specialties, and his site has a lot of educational and fun content about codes and codebreaking.
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SimonSingh.net I have the faintest clue about. Big Bang out now! More info click here The Code Book on CD-ROM Free download click here This site is a revamp of my previous website, with lots more bells and whistles. The aim...Designed and built by Andrew Lipson. Images and LDraw files.
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Andrew Lipson's Mathematical LEGO Sculptures Company get paranoid about this sort of thing let me make it clear that I have no affiliation with them, that my views are my own and do not necessarily represent theirs, and so on. So if you think any...Mathematical Spectrum is a magazine for students and teachers of mathematics in universities, colleges and schools worldwide. It may be read by anybody interested in mathematics as a recreation.
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Mathematical Spectrum Spectrum is a magazine for students and teachers of mathematics in universities, colleges and schools worldwide. It may be read by anybody interested in mathematics as a recreation. Mathematical Spectrum publishes articles from all branches of mathematics, as well as...