Abacus History, Use, and More (Luis Fernandes): Award winning site by Luis Fernandes; Ryerson University, Toronto, Ontario, Canada. Historical timeline, early counting boards, various styles of the abacus. Java applet simulates real time use of the abacus. Links to other information.
Academic Info about Mathematics: Academic Info is a free online education resource center for students (and other researchers). Created by Mike Madin. On the site, open “more” and scroll down to math hyperlinks.
Math Matters (SIAM Site): Math Matters, Apply It! is an applied mathematics awareness campaign, created for anyone who wants to know more about the mathematics behind everyday life. Maintained by SIAM.
Math Tricks (by Steven Pomeroy): How math can be applied to real-world situations. Site by Steven Pomeroy includes many categories: math tricks, fractals,art, geometry,real life math and much more.
Museum of Mathematics: Museum in New York dedicated to mathematics delivering programs for students, teachers, and the public to increase appreciation of mathematics. Website includes links to Math Encounters videos, “fun activities”, and travelling math exhibits.
PBS TeacherSource: PBS lessons and activities, select a grade range." Then select a topic. Also find "Free, searchable online video and lesson plans. Select a grade range: K-2, 3-5, 6-8, 9-12.
A Moebius Building for CS at UC Berkeley: This is a study of the design process carried out in the context of a pair of courses taught by Yehuda Kalay, and a course taught by Carlo H. Sequin during Spring 1995.
Mathematics and Architecture: Article by: J J O´Connor and E F Robertson. Part of The MacTutor History at University of St Andrews, Scotland.
Sir Christopher Wren: Astronomer, mathematician, architect, and more. Biography of the architect for St Paul´s Cathedral and many other buildings. Site maintained by School of Mathematics and Statistics, University of St Andrews, Scotland.
The Golden Sector in Architecture: Written by Dr Ron Knott, former Lecturer in the Department of Mathematics and Computing Sciences, University of Surrey, Guildford, Surrey, UK .
Art Gallery Theorem: "Also called Chvátal´s art gallery theorem. If the walls of an art gallery are made up of straight line segments, then the entire gallery can always be supervised by watchmen placed in corners."
Escher: History of: History of Escher with examples of his art. Site created and maintained by School of Mathematics and Statistics.
Exploratorium: Museum of science, art, and human perception. Exhibits change regularly.
Helaman Ferguson Sculpture: Gallery of artwork of artist Helaman Ferguson. Click on thumbnail and display both a larger picture and the mathematical equation used to create the shape.
Patterns (Dartmouth Course): Applications of symmetry in mandalas, nature, sketches, etc. Site shows many artworks as examples. Lessons accompany each section.
NASA Virtual Skies: Applications of mathematics to Aeronautics, Airport Design, Air Traffic Management, Communication, Navigation, Flight Delays, and Weather. Teacher and student versions of activity sheets.
Sky and Telescope: Monthly Sky Highlights, Special Sky Events, Satellite Observings, Moon and Planets information.
Stardate: Information about tonight´s sky. Also other resources for students and teachers. Great site. Maintained by the McDonald Observatory, The University of Texas at Austin.
Mathematical Models For Candle Balloon Design: Article about the "concept of a Theoretical Universal Balloon. Here, "Virtual Balloons" are imagined to exist mathematically. They can be any size. They can be powered by any number of candles.
Why do helium-filled balloons float?: "This is an application of "Archimedes´ Principle" which states that a body immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced...”
Interest and Exponential Growth: Formula and explanations for Compound Interest, Simplified Compound Interest, Continuous Compound Interest, Loan Balance. Part of Math.com.
Money Math: Lessons for Life: Money Math is a four-lesson curriculum supplement for middle school math classes using real-life examples from personal finance. Part of U.S. Department of the Treasury, Bureau of the Public Debt.
The Mint (Northwestern Mutual Foundation): Northwestern Mutual with the National Council on Economic Education created this site. It provides tools to help parents as well as educators teach children to manage money and develop financial habits.
What is a dollar worth?: Calculator based on Consumer Price Index (CPI). Figure change in prices over time. Links to CPI since 1913. Created by Federal Reserve Bank of Minneapolis.
Motion of Basketball: UIUC Excel Data: Study of the motion of a basketball to find the best angle or the best velocity the ball should be thrown so that it will go in the basket from the free throw line.
MacTutor: Information about mathematicians who were born (or died) on this date in history.
Math People Birth dates: Complete list of birthdays of mathematicians throughout the year. Just click on a given date and the birth dates are displayed for that day.
Biomechanical modelling for keyhole surgery simulations: Abstract. To access full PDF article, select link at right when you arrive at the site. Penny J. Davies, Fiona J. Carter, David G. Roxburgh, and Alfred Cuschieri, “Mathematical Modelling for Keyhole Surgery Simulations: Spleen Capsule as an Elastic Membrabe,” Journal of Theoretical Medicine, vol. 1, no. 4, pp. 247-262, 1999. doi:10.1080/10273669908833024
Algebra Puzzle with Calendar: Choose 4 days from the calendar that form a square of numbers. Ask someone to sum the numbers of the four days. Using algebra, you can tell what the four days are. See site for more information.
Calendar for any Year: Site displays current year. Scroll down the site for holidays and observances. Continue scrolling to select calendar for any year: past, present, future. Also scroll down to links to World Clock, Year Countdown and more.
Calendars Through the Ages: History of the development and examples of calendars in many cultures. This exhibit is a public service of the Institute for Dynamic Educational Advancement (IDEA).The primary contributor is Claus Tøndering, based in Denmark.
Calendars: variety of: History and display of calendars. Included are: Christian, Jewish, Islamic, Chinese, Mayan, French, and others.
Math-Jobs.com: Numerous links organized by fields in which mathematics is required. Fields listed include, for example, Academic (pure), Academic (applied), Banking, Biology, Computer Technology, Finance, Insurance, Teaching (12-19 year old students), Statistics.
Math Matters Campaign: SIAM: Math Matters, Apply It! is an applied mathematics awareness campaign, created for anyone who wants to know more about the mathematics behind everyday life and the technologies we encounter.
Woodrow Wilson Leadership Program in STEM Teaching: The Woodrow Wilson Teaching Fellowship seeks to attract talented, committed individuals with backgrounds in the STEM fields—science, technology, engineering, and mathematics—into teaching in high-need secondary schools in Georgia, Indiana, Michigan, Ohio, and New Jersey.
WorkSource Northwest: WorkSource Northwest is a network of organizations and "one-stop" Career Centers that offer a variety of services to businesses and job seekers.
Chaos in the Chua circuit by SiepWeiland: “Abstract: The Chua circuit is among the simplest non-linear circuits that shows most complex dynamical behavior, including chaos. In this project by Siep Weiland, we analyze this electrical circuit, simulate it, build it if you like, and make measurements on a true system.” Article archived at Eindhoven University of Technology.
Definition of Chaos: Brief article on Wolfram MathWorld site that discusses difficulty of defining Chaos.
Wikipedia, the free encyclopedia: This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Complex Variables.”
Counting contra dances: Presentation at the annual meeting of the National Council of Teachers of Mathematics, by Larry Copes a mathematics education consultant in St. Paul, Minn. Article illustrates all eight symmetries of a square–the group D4.
Math Dance: Here is a collection of activities and resources you can use in your classroom to teach both mathematics and dance.
Mathematics in the World of Dance: A study by Katarzyna Wasilewska (Mathematics Department, University of Southern California) of the many connections and similarities between mathematics and dance.
MATRICES IN MOTION (Crystal Menninga): An exploration of contra dance patterns interpreted through performance-oriented dance.This thesis studies the patterns found in contra dance, representable by manipulations of 2x2 matrices, and investigates their use onstage in performance dance idioms.
Seismic waves: Interactive site that shows how P and S waves work when an earthquake occurs.
Seismic Waves and Earthquakes – A Mathematical Overview: 28 slide description the mathematical model and some mathematical techniques to deal with such waves in some interesting situations. Prepared by Fiazud Din Zaman, Department of Mathematical Sciences. King Fahd University of Petroleum & Minerals; Dhahran, Saudi Arabia.
The Latest Mathematical Models of Earthquake Ground Motion: Article on latest mathematical models of ground motion during earthquakes: the azimuth dependent mathematical model and the mathematical model based on radius vectors. Written by Snezana Gjorgji Stamatovska of the University-Institute of Earthquake Engineering and Engineering Seismology (UKIM-IZIIS), Skopje, Republic of Macedonia.
Ancient Egyptian Numbers: Enter a number from 1 to 9999999 to see how the Egyptians would have written it, or enter a number to count with. Site created and copyrighted by Jo Edkins 2006.
Babylonian and Egyptian mathematics: Extensive coverage of Babylonian and Egyptian mathematics. Site created and maintained by School of Mathematics and Statistics at University of St. Andrews, Scotland.
Cambridge Egyptology Site: "This page is set up with the kind assistance of the Newton Institute in the University of Cambridge to provide a World Wide Web resource for Egyptological information"
Egyptian Math: Part of the site Discovering Egypt created by Mark Millmore. Mathematical information about the pyramids, Egyptian mathematics, Hieroglyphic Writing and more.
Open Learning: Egyptian Math Unit: This unit is from The Open University archives and is an adapted extract from Topics in the history of mathematics (MA290) which is no longer in presentation.
Engineering from IEEE Spectrum: IEEE Spectrum magazine is a monthly magazine that explores future technology trends and the impact of those trends on society and business.
Civil Engineering FAQs
Frequently asked questions about civil engineering and civil engineering technology. Includes links to Sources of Information and student associations. Site maintained by IRRB.org
University of Washington Engineering: Link to University of Washington Engineering homepage. Information includes: news and events calendar, research, programs of study, admission requirements, and scholarships.
Western Washington University Engineering Technology: Homepage of Western Washington University Engineering Technology programs. Site includes links to electronics engineering technology, manufacturing engineering technology, plastics engineering technology, industrial design, and vehicle research. Assessment and student project information is also accessible.
This collection of activities is based on a weekly series of space science problems distributed to thousands of teachers during the 2009-2010 school year.
Energy Infobooks: Energy Infobooks provide information about each of the nation's energy resources, new technologies, and the use and conservation of energy. They are organized by Primary, Elementary, Intermediate, and Secondary grade levels. Requires PDF reader.
Fibonacci Numbers (Laura Smoller´s site): Examples of Fibonacci numbers in nature by Laura Smoller, UALR Department of History. Links to other sites related to Fibonacchi Numbers and the Golden Rectangle.
Fibonacci Numbers and Nature: Site created and maintained by Dr Ron Knott, former Lecturer in the Department of Mathematics and Computing Sciences,University of Surrey, Guildford, Surrey, UK .
Plant Spirals Exhibit: Created at Smith College in collaboration with Botanical Gardens, Academic Consultants, Designers, and Engineers worldwide.
Financial Literacy Programs: Large list of hyperlinks to free and fee financial education programs, curricula, and lessons with grade levels designated. Part of Stockton College website.
Financial Mathematics (SIAM): The SIAM Journal on Financial Mathematics addresses theoretical developments in financial mathematics as well as breakthroughs in the computational challenges they encompass. Free access to SIFIN through 2010.
Investment and Finance (Dr. Math): Links to lessons and informative investment and finance sites. Part of Dr. Math and maintained by The Math Forum Drexel University.
FARSITE: Fire Area Forest Service by Mark A. Finney: This paper reports on the structure of a fire growth simulation model, FARSITE, and its performance under simplified test conditions.Mark A. Finney is a Research Scientist with Systems for Environmental Management in Missoula, MT.
Fire Models: Fire behavior and fire danger systems assembled in cooperation with U.S. Forest Service, U.S. Department of Interior, Joint Fire Science Program, Systems for Environmental Management, Center for Environmental Management of Military Lands, Colorado State University , and Department of Mechanical Engineering, Brigham Young University.
Wildfire Visualizations: Scientists at National Center for Atmospheric Research have coupled numerical regional weather simulations with fire spread models to advance our understanding of wildfires, creating flat land, hill, and universal visualizations.
Chaos and Fractals: Part of Math Explorers' Club site (outreach program at Cornell University). Six-part module is intended as an introduction to chaos, fractals, and dynamical systems for high schoolers.
Fractal Encounter: Fractal Images created by G.W.F. Albrecht. Scroll down the site to obtain formula, links to Fractal Music, animated fractals, and more. Beautiful site.
Fractals in Nature: Photos and discussion of fractals found in nature. Site is part of Original Beauty hosted by wordpress.com.
Will Webber Fractal Mini-Course: Mini-course created as part of NWMI projects. Written and maintained by Dr. William Webber. Fractal curves, Tower of Hanoi, Abacabadabacaba, and more. Great site for all aspects of fractals.
Recurrence Intervals: Recurrence intervals refer to the past occurrence of random events. Article written by Dr. Eric M. Baer, Geology Program, Highline Community College. Applications to flooding and earthquakes.
Gallery of Interactive Geometry: Interactive materials for visually exploring geometrical concepts. Very interactive. Developed as part of The Geometry Center at the University of Minnesota.
Geometry Center Home Page: The Geometry Center is a mathematics research and education center at the University of Minnesota.
Geometry from the Land of the Incas: Geometry facts, theorems, some proofs. Very colorful format. Music is loud when you reach the site, so you may wish to turn down the volume.
Geometry Junkyard: "These pages contain usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry.”
High School Geometry: Lesson plans and activities including exploration of shapes, proof of Pythagorean theorem, scaling the pyramids, the geometry of lenses, the math of music and more.
Middle School Geometry: Lesson plans and activities including truss strength, dome geometry, quilts, and more.
Symmetry and Tessellations: Thirty activities based on hyperlinks to web resources. Activities begin with "What is Mathematics?" and progress through Pythagoras´ observations of music, patterns on Ukrainian Easter eggs, symmetry in the alphabet, butterflies, and more.
Create a Graph: Part of the National Center for Educational Statistics Students´ Classroom. Users may create their own graphs using their own data or they may see an example of a particular type of graph.
Live Math Programs: 2D and 3D graphing programs designed by Dr. William Webber of Whatcom Community College.
NCTM Illuminations: Graphing: This resource allows students to enter data to construct a selected graph: area, bar, line, or pie. Students can enter their own data or use sample data from the National Center for Educational Statistics (which hosts this site).
Biographies of Mathematicians: Links to biographical information about mathematicians. Maintained by David R. Wilkins, School of Mathematics, Trinity College, Dublin.
British Society for the History of Mathematics: Links to information about the history of mathematics, biographies, online books, bibliographies, educational materials. Selected and annotated by June Barrow-Green. Webmaster, Tony Mann.
Eric Weisstein´s World of Scientific Biography: Listed by branch of science (including mathematics), gender, minority status, nationality, prizes won, or simply alphabetical. Site is copyrighted by Eric W. Weisstein and Wolfram Research, Inc.
History of Math Archive (MacTutor): The MacTutor History of Mathematics archive. Created and maintained by School of Mathematics and Statistics at the University of St Andrews, Scotland.
Math Archives (U of Tennessee): Links to several sites with information about the history of mathematics. Bibliographies, biographies, special topics in mathematics. Links arranged alphabetically.
Math Forum @ Drexel: Links to sites related to math history. Sites include biographies of men and women mathematicians, history of symbols and numbers, famous problems, and more. Sites listed alphabetically.
Mathematicians of the 17th and 18th Centuries: Biographies of the lives and works of seventeenth and eighteenth century mathematicians adapted from A Short Account of the History of Mathematics by W. W. Rouse Ball (4th Edition, 1908).
Women Mathematicians Biographies: "These pages are part of an on-going project by students in mathematics classes at Agnes Scott College, in Atlanta, Georgia, to illustrate the numerous achievements of women in the field of mathematics."
Handly High Math Department Humor Page: This link sends you to the home page of the math department at John Handly High School. Select "Math Humor" at the site and receive such options as jokes, comics, humorous proofs.
Math Forum Amusing Math Links: "The Forum´s Internet Mathematics Library provides a comprehensive database of links to Humor. Additional suggestions are offered through the Amusing Links hyperlinks."
Math NEXUS Humor of the Week: Weekly perspectives generated by Whatcom and Skagit Mathematics Partnership funded by the Office of the Superintendent of Public Instruction and the U.S. Department of Education.
What You Know About Math?: DISCLAIMER: Effective Immediately, This video (What You Know about Math) is the sole property of its creators. It is meant for public viewing and not reproduction or personal gain. Any one wishing to use this video for any purpose must contact the creators.
World of Statistical Humor: Statistical jokes originally assembled by the late Dr. Gary C. Ramseyer and now maintained by his son.
Illumination & light
Digital Lighting: Syllabus of course by Matthew Lewis which "provides an introductory study of the mathematical models used in computer graphics to mimic the physical behavior of light in the generation of three-dimensional, computer-generated imagery.
Infinity and Cosmology: Part of FAQ Astronomy site at UCLA. See "Is the Universe really infinite or just really big?" and "How can the Universe be infinite..."
Infinity, Self-Similarity and Recursion: Concepts from fractals, line segments, perimeter, area and infinity are used, and skill at pattern recognition. Copyright and maintained by The Shodor Education Foundation, Inc
Webber´s Juggling Online: Ball, Club, Ring, Anything Jugglers. All created by Dr. William Webber using LiveMath. Users may select the type of juggling to view, stop and start the animation. "Click on one of the Jugglers to get the interactive version.
Lorenz manifold: Crochet and Steel: Dr. Hinke Osinga and Professor Bernd Krauskopf have crocheted the famous Lorenz equations using computer-generated instructions. A steel sculpture has been created by Dr Benjamin Storch Article with photos.
Mathematical Knitting: Site with patterns to knit mobius strips and klein bottles, links to other mathematics and knitting sites. Site maintained by Dr. Sarah-marie Belcastro
What is Optimal Launch Angle?: Examination of the assumption that 45 degrees is the optimal launch angle. Uses the path of a cannon ball to explore the concept.
Odds of Winning: "How Lotteries Work" by Karim Nice. This selection will show you how to calculate your odds of winning a lottery. The author also relates some history about lotteries and machines that select the numbers.
Metric Program: NIST: Program sponsored by The National Institute of Standards and Technology, an agency of the U.S. Department of Commerce´s Technology Administration.
Minorities & math
African American Scientists and Inventors: This pathfinder is to aid researchers in their search for information on African American Scientists and Inventors. Hosted by The iSchool at Drexel, College of Information Science and Technology, with support from the College of Information at Florida.
Blacks in Math: This web pages is maintained by Dr. Scott W. Williams, Professor of Mathematics and is brought to you by The Mathematics Department of The State University of New York at Buffalo. 300 years of mathematicians is listed.
Black Women in Math: History of Black Women in Mathematics. Also over 100 biographies of Black Women who have contributed to the mathematical sciences. Created by Dr. Scott Williams, Professor of Mathematics at The State University of New York at Buffalo.
Dr. Math: African-Americans: Many links to lists of Afro-American men and women who have become mathematicians and scientists. Scroll down the site to find active hyperlinks.
Mathematical Fiction: List of mathematical fiction in literature, film, comics, and other mediums. List compiled by Alex Kasman (College of Charleston).
Math in the Movies: "A Guide to Major Motion Pictures with Scenes of Real Mathematics." Copyright by A. G. Reinhold.
The Math Guy on NPR: Select a broadcast date. Scroll down list for titles with "Math" in them. Interesting broadcast of math concepts, history, applications. Part of Weekend Edition on National Public Radio.
Musical Wave Form Components: Sympathetic Vibratory Physics: "All wave forms are really a composite of discrete, unseen or occulted vibratory forces acting in concert. Graphic shows four different complex waveforms as being the result of other discrete forces. These forces being defined by frequency and amplit.
MIT Plasma Science and Fusion Center: "The Plasma Science & Fusion Center (PSFC) is recognized as one of the leading university research laboratories in the physics and engineering aspects of magnetic confinement fusion." Site includes news, education, library, links, and directory.
Medication Math for the Nursing Student: Written for Nursing Students. Practice test and answers. Links to a wide range of math (dimensional analysis) background needed for success in Nursing. Part of alysion.org.
Nursing Math: Math needed to translate orders, ratio and proportion, IV flow rates, metrics, percentages, more. Part of Teaching/Learning Center, Delta College, University Center, MI.
Pharmacology Math (U.S. Army): This subcourse is approved for resident and correspondence course instruction. It reflects the current thought of the Academy of Health Sciences and conforms to printed Department of the Army doctrine as closely as currently possible.
Caltech Quantum Optics: "Our primary concern is studying the quantum mechanics of open systems, in which (like the real world), dissipation tends to destroy interesting quantum states.”
Light and Optics Module: Lessons in light and optics by Steve Beeson, Arizona State University . Topics include Light, Reflection, and Refraction; Lenses, Mirrors, and Prisms; Color and the Spectrum; Optics in Nature; and other Supplementary Modules.
Optics for Kids: Optical basics written for elementary school children by Bruce Irving, Optical Research Associates . Link to excellent site "Optical Discovery Kit" which goes into detail about various aspects of color, light, Holography, and other optics relate
World of Numbers: Site dedicated primarily to the study of palindrome numbers. Wide variety of topics: intro to palindromes, palindromic squares, cubes, patterns, more. Site is maintained by Patrick De Geest in Belgium
Physics Simulations: Maintained by the University of Colorado at Boulder.Includes circuits, static electricity, projectile motion, waves, more.
Birthdate and Pi: "This document will tell you where in PI your birthday first occurs, e.g. if you were born Feb 20th 1969 search for: 22069". The idea for the site came from Arthur Bebak (firstname.lastname@example.org).
Blatner´s Pi Book: Excerpts from the Joy of Pi by David Blatner. Site includes links to pi facts, the digits of pi, and pi facts.
Exploratorium Pi: Links to many sites related to the number pi: pi and music, pi and beads, pi and pie. See the digits of pi moving across the top of the screen.
History of Pi: History of Pi. Written by J J O´Connor and E F Robertson, St. Andrews University, UK.
Math with Mr. Herte: Several Pi Day activities created by a seasoned teacher and categorized into grade levels: elementary, middle school, and high school. Site is part of a web page by Mr. Herte who has been a teacher in Glen Cove, NY. since 1983.
New Pi Formula: Article by Victor Adamchik of Wolfram Research, Inc. and Stan Wagon, Macalester College. Focus is on work by David Bailey of NASA/Ames and Peter Borwein and Simon Plouffe.
Math Forum Math & Poetry Collection: Websites containing studies of mathematical relationships found in the poetry of selected authors. Some sites include works of poetry illustrating specific elements of mathematics. Site is part of The Math Forum created by Swarthmore College.
Counting Poker Hands: A PDF file written by Tom Davis describing various hands of poker and how to calculate the number of poker hands of various types. Card suits are used and combination notation is utilized. Excellent introduction to application of combinations.
World Clock: Information about the World: Current time AND such information as the current number of marriages, divorces, cancer cases, HIV infections, Births, Deaths, and more. Created by Poodwaddle.com.
Cryptographers and Prime Numbers: Essay focused on why cryptographers make heavy use of prime numbers posted By: Peter Pearson, Cryptologist, Uptronics Incorporated.
The Prime Pages: Prime number research. Links to a wide variety of resources related to prime numbers. Site is copyrighted and maintained by Chris Caldwell.
The UCLA Mersenne Prime: In August of 2008, a new Mersenne Prime number was discovered. This FAQ created and maintained by Edson Smith, Computing Resource Manager, UCLA Department of Mathematics.
The Role of Logic...in Proof: Research article by Annie and John Selden at Tennessee Technological University Mathematics Education Resources Co. Article focus is on how proofs are taught: pros and cons; suggestions. Topics include: proof and validation, memory and validation, more.
Rubik Cube History & Illustration: Historical recounting of solving every position of the Rubik Cube using computers (site has active graphics for illustration) and includes reference to “God's algorithm” which is related to the ways to solve a Rubik's Cube puzzle. Site was created by the joint efforts of Tomas Rokicki, a programmer from Palo Alto, California, Herbert Kociemba, a math teacher from Darmstadt, Germany, Morley Davidson, a mathematician from Kent State University, and John Dethridge, an engineer at Google in Mountain View
Statistics: why study it? Video by the American Statistical Association with various women and men describing the value of Statistics in their fields.
Baseball Physics: A wealth of information related to the physics of baseball (and other sports). Site created by Professor Alan M. Nathan, Department of Physics, University of Illinois at Urbana-Champaign.
Math Forum @ Drexel: Math and Sports: Links to sites that range from the calculation of various sports statistics to the application of mathematics in various sports activities. The Math Forum is a research and educational enterprise of the Drexel School of Education, Drexel University.
Postage Stamps: Links to sites which display mathematical symbols or mathematicians on postage stamps.
Math Quilts: The MathQuilt web page is dedicated to providing a showcase for quilters around the world who find inspiration from the colorful world of tessellations, geometry, perspective and fractals. Page design by by Rebecca Chaky.
Tessellation Resources: Online resources created by Professor Doris Schattschneider from Moravian College. The resources are divided between references (about tessellations and sources for illustrations) and computer software for creating tiling.
Tessellation Tutorials: Written by Suzanne Alejandre, this is an excellent site to learn about tessellations, the math and history behind them, and to follow some tutorials with color illustrations. This is a "Math Forum Web Unit".
Chaos, Fractals, and Arcadia: An animated description of some of the mathematical ideas in Tom Stoppard´s play Arcadia. Written by Robert L. Devaney of Boston University.
Tides and Tide Prediction: Charting of tide data and harmonic analysis used to predict tides. Visit especially the "harmonic analysis" link. This tide site created by Tony Phillips Math Dept SUNY Stony Brook.
Tides On Line: Data about tides worldwide. Site sponsored by NOAA.
World Clock: Current local time at hundreds of locations around the world. User able to toggle to specific continents. Also have ability to enter current time in one city and obtain date and time at another world site.
World Time: WORLDTIME® is a service featuring an interactive world atlas, information on local time as well as sunrise and sunset times in several hundred cities, and a database of public holidays worldwide.
Fundamental Physical Constants: Fundamental Constants provided by The National Institute of Standards and Technology (NIST) , an agency of the U.S. Department of Commerce.
Numbers: Info about each number: Interesting facts about all the numbers from 1 to 9999. Created by Erich Friedman Associate Professor of Math at Stetson University.
Vectors: Math Forum: User-friendly interactive site. Introduction to vectors through pictures or using Geometers Sketchpad (download required). Written by Gene Klotz 11/28/95 and maintained by The Math Forum, a "research and educational enterprise of Drexel University.
Numerical Modelling of Weather (Met Office): Describes numerical modelling, components of numerical modelling, and provides examples. Met is a United Kingdom Corporation that provides environmental and weather-related services.
Unisys Weather: The intent of this weather site is to provide a complete source of graphical weather information.
Biographies of Women Mathematicians: "These pages are part of an on-going project by students in mathematics classes at Agnes Scott College, in Atlanta, Georgia, to illustrate the numerous achievements of women in the field of mathematics."
Women in NASA: "The Women of NASA resource was developed to encourage more young women to pursue careers in math, science, and technology."
History of Math Words: These pages (and other links) attempt to show the first uses of various words used in mathematics. Research for these pages is ongoing. These pages are maintained by Jeff Miller, a teacher at Gulf High School in New Port Richey, Florida.
Mathwords: “This website is designed for math students who need an easy-to-use, easy-to-understand math resource all in one place. It is a comprehensive listing of formulas and definitions from beginning algebra to calculus. The explanations are readable for average math students, and over a thousand illustrations and examples are provided.” Site created and maintained by Bruce Simmons, Mathematics Department Clackamas Community College
Discrete Tomography (new algorithm for): Use of mathematics in Tomography, recovering binary images from their projections. Such a projection is an X-ray. Paper written by by Rob Tijdeman (University of Leiden, The Netherlands) and Herman te Riele (University of Debrecen, Hungary).