| Mathmos Includes puzzles, jokes, quotations, poetry, and FAQs. |
| Maze_Classification_and_Algorithms A short description of mazes and how to create them. Definition of different mazetypes and their algorithms. |
| Mudd_Math_Fun_Facts 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. |
| Narcissistic_Numbers Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves. |
| The_Nine_Digits_Page Puzzles and problems connected with numbers using the digits 1-9. |
| Number_Recreations_by_Shyam_Sunder_Gupta Features interesting facts about different numbers. Includes favorite related links. |
| On_the_Puzzles_with_Polyhedra_and_Numbers This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM). |
| One_Metaphor_Fits_All Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources. |
| Properties_of_Dice Polyhedral dice and their properties. |
| Recmath Includes pages on magic squares and polyomino patterns and contains related java applets. |
| Recreational_and_Educational_Computing 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, r |
| Recreational_Mathematics Links collected at CAMEL, the Canadian Mathematical Society website. |
| Recreational_Mathematics_(David_Eppstein) An extensive list of web resources for recreational math. |
| Recreational_Mathematics_Forum A forum for posting messages about math recreations. Hosted at Delphi. |
| Recreational_Mathematics_Topics By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics. |
| Roman_Numerals Contains a introduction to Roman numerals including a translation of the digits used and a converter which can convert decimal to Roman numerals and vice versa. |
| Rubik\'s_Cube_Lecture_Notes Notes on the mathematics of the Rubik's cube. |
| SimonSingh_net 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 c |
| Sir_Roger_Penrose A article about him and his interests and contributions to recreational mathematics. |
| Skytopia_-_Super_Magnet A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations. |
| The_Sound_of_Mathematics Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files. |
| Spirocharts A windows application that creates mathematically precise spirograph drawings; savable as images. |
| Spirograph A java applet for creating Spirograph images. |
| Sportlab Combines high school and college math topics into sports applications. |
| Stunning_Friends_with_Math_Magic A collection of card tricks, number guessing games, paper and glue magic, and other math exercises. |
| Table_of_Numbers_Problem 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). |
| Treasure_Troves___Book_List Book list including titles, authors, publishers, prices, page count and some have links to Amazon.com. |
| Wade_Edward_Philpott Profile and description of his mathematical games and puzzles. |
| Wade_Edward_Philpott_Collection A special collection at the University of Calgary Library. |
| Who_Can_Name_the_Bigger_Number? An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers. |
| Australian_Map_Circle The Australian Map Circle (AMC) is a national group of map producers, users and curators, which acts as a medium of communication for all those interested in maps. |
| The_British_Cartographic_Society an association of individuals and organisations dedicated to exploring and developing the world of maps |
| International_Map_Trade_Association_(IMTA) IMTA members are the companies that create and sell the maps, atlases and map-related products you use. Find information on maps, geography and mapping technology. |
| MapHist_Discussion_Group MapHist, the Map History Discussion List, is an e-mail discussion group whose primary focus is historical maps, atlases, globes and other cartographic documents. |
| Mt__Diablo_Surveyors_Historical_Society Society of Land Surveyors interested in tne history of Mount Diablo, Northern California, and the establishment of the Mt. Diablo meridian and initial point. |
| North_American_Cartographic_Information_Society NACIS is a professional society dedicated to the advancement and cooperation of all cartographic disciplines. Members include practicing cartographers, educators, map librarians, and map collectors. |
| Ordnance_Survey_Britain\'s_National_Mapping_Agency Maps and mapping for Great Britain, with free mapping and services together with information on digital and paper mapping products and other aspects of cartography |
| Ordnance_Survey_Ireland The Irish national mapping agency. |
| Society_of_Cartographers Society founded in 1964 aiming to support the practising cartographer and encourage and maintain a high standard of cartogra |
| Washington_Map_Society An informal organization of people interested in cartography, cartographic history, and collecting maps, both old and new. |
APPLIED PROBABILITY TRUST
Mathematical Spectrum
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. Mathematical Spectrum publishes articles from all branches of mathematics, as well as regular features on mathematics in the classroom, a computer column, letters, problems and solutions, book and software reviews. We welcome original student contributions and award annual prizes for the best ones published.
Forthcoming articles
Contents of recent issues
From the Editor (Volume 37, Number 3)
From the Editor (Volume 38, Number 1)
From the Editor (Volume 38, Number 2)
From the Editor (Volume 38, Number 3)
From the Editor (Volume 39, Number 1)
From the Editor (Volume 39, Number 2)
From the Editor (Volume 39, Number 3)
From the Editor (Volume 40, Number 1)
From the Editor (Volume 40, Number 2)
From the Editor (Volume 40, Number 3)
From the Editor (Volume 41, Number 1)
Sample problems
41.1 Is there a number greater than 1 which leaves the
same remainder when it divides into 1716, 2154, and 4271?.
(Submitted by Bob Bertuello, Midsomer Norton, Bath, UK)
A solution will be published in Volume 41, Number 3.
40.10 Let n > 7 be an integer such that n - 1 and n + 1 are
both prime. Show that n2(n2 - 4)(n2 - 9) is divisible by
2721600.
(Submitted by Roger Cook, Pembroke, UK)
A solution will be published in Volume 41, Number 2.
Access details
All submissions should be sent to:The Editor, Mathematical Spectrum
School of Mathematics and Statistics
The University of Sheffield Sheffield S3 7RH, UK.Email:
spectrum@sheffield.ac.ukMS ISSN 0025-5653 three times a year
Special Publication: A Mathematical Spectrum MiscellanyHave you got your copy of A Mathematical Spectrum Miscellany?Published February 2000 by The Applied Probability Trust. Pp. vi + 198 (ISBN 0-902016-05-9). This special celebratory publication brings together, in handy book form, reader's favourites from all areas of mathematics. Enjoy this varied selection of articles chosen from over 30 years of Mathematical Spectrum. Prices are:£12.00 or US$24.00 or A$26.00For further information, contact Sue Boyles (email:
s.c.boyles@sheffield.ac.uk).
Subscriptions
One volume of Mathematical Spectrum
is published in each British academic year. Please note orders must be
placed for complete volumes, beginning in September, and not for calendar years.
Each volume consists of three issues, published in September, January and May.We accept orders at reduced prices for up to three years ahead.
Volumes 41,
42 and 43(September 2008 to August 2011)£35.40 or US$72.00 or A$74.10Volumes 41 and
42(September 2008 to August 2010)£24.00 or US$50.00 or A$52.00Volume 41(September 2008 to August 2009)£13.00 or US$26.00 or A$27.00Back issues
(price per volume)
Volumes 1-6 (2 issues per volume) £5.50
Volumes 7-22 (3 issues per volume) £7.50
Volumes 23-26 (4 issues per volume) £9.50
Volumes 27-37 (3 issues per volume) £10.00
Volume 38 (3 issues per volume) £12.50
Volumes 39-40 (3 issues per volume) £13.00
For further information, contact Sue Boyles:(email
s.c.boyles@sheffield.ac.uk)Telephone: +44 114 222 3922. Fax: +44 114 272 9782
For information on any of the APT's publications, contact the Executive
Editor:
Linda Nash
Applied Probability School of Mathematics and Statistics The University of Sheffield
Sheffield S3 7RH UK
Telephone: +44 114 222 3920
Fax: +44 114 272 9782
Email: l.nash@sheffield.ac.uk
