 IIE (Institute of Industrial Engineers)
A society dedicated to serving the professional needs of industrial engineers and all individuals involved with improving quality and productivity.
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 Illustrated 4D Computer Graphics  Kirby Urner, 4D Solutions
Curriculum Concepts from the Fuller School. Primitive topologies: nonEuclidean definitions of points, lines, planes as nonzero, parameterized entities, with light affecting properties in ray traced views; Concentric hierarchy: a reference frame relating
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 iLumina  UNC Wilmington
A digital library of sharable undergraduate teaching materials for mathematics with the goals of helping faculty and students develop and contribute new resources; make effective use of the resources through search and community services; and meaningfully
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 Image Coding Using Fractals  Signal and Image Processing Group, University of Bath
Graphs show how image compression using fractals compares to other methods. Also includes comparison pictures and a list of articles on fractal compression, some of which may be downloaded in gzipped PostScript format.
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 Image Coding Using Wavelets  Signal and Image Processing Group, University of Bath
Read the article "What makes a good orthonormal wavelet for image compression?" Download other wavelet articles in PDF or PostScript format. Visit the Wavelet Warehouse, a repository of wavelet filters (biorthogonal and orthonormal) to download and
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 Image Compression  from DCT to Wavelets: A Review  Subhasis Saha
An article published in ACM Crossroads, the student magazine of the Association for Computing Machinery, about how recent growth in dataintensive multimediabased Web applications has not only sustained the need for more efficient ways to encode signals
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 Images and Mathematics (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
A large collection of images based on or related to mathematical principles, many purely mathematical abstractions, such as fractals; others of natural objects whose shape is explained by equations and mathematical models (for example, a drum vibrating).
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 Images des Mathématiques  Fabrice Planchon, EditorinChief
Des articles sur la recherche mathématique contemporaine — en particulier, française — et le métier de mathématicien. Hébergé par le Centre National de la Recherche Scientifique (CNRS).
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 Images of Mathematicians on Postage Stamps  Jeff Miller, Gulf High School, New Port Richey, FL
An alphabetical list of mathematicians whose images appear on postage stamps (Abel, Archimedes, Cauchy, Descartes, Euler, Galois, Gauss, Kovalevskaya, Laplace, Leibniz, Newton, Pascal, Poincaré, Ramanujan, and more), with countries, dates of issuance,
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 Imaginary Exponents and Euler's Equation  Math Forum, Ask Dr. Math FAQ
What does it mean to have an imaginary exponent? Two different proofs, a consequence, and an application of Euler's Equation.
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 IMAGINARY  Mathematisches Forschungsinstitut Oberwolfach
A platform for open and interactive mathematics. Explore events, exhibitions, programs, galleries, handson, and films  and share your own activities, projects, and discussions. Started as a maths and arts exhibition for the German Year of Mathematics
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 Imagine the Universe  HighEnergy Astrophysics Learning Center
A site, primarily but not exclusively for ages 14 and up, dedicated to a discussion about our universe: what we know about it, how it is evolving, the kinds of objects and phenomena it contains, how scientists know what they know, what mysteries remain,
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 Imaging Raytracer  Paul Flavin
A raytracing applet with which you can generate the six quadric surfaces  sphere (ellipsoid), cone, hyperboloid of one and two surfaces, paraboloid, hyperboloic paraboloid  and the cylinder.
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 Imaging the Imagined  Paul Flavin
Modeling with Math and a Keyboard: the art and science of modeling; the math, theory and practice of rendering, imaging, and animation. An introduction to raytracing and the Quadric surfaces; Platonic Solids and Polyhedra; 'Tensegrity' (tension) structures;
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 iMath
A free mathenhanced Web browser/editor supported by a net service to enable
the sending, receiving, storing, publishing, and discussion of pages with
math notation.
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 Immersed in Klein Bottles  Ivars Peterson (MathTrek)
"Need a zerovolume bottle? Searching for a onesided surface? Want the ultimate in nonorientability?" The intriguing subject of these cryptic entreaties is a bizarre mathematical object known as a Klein bottle, discovered in 1882 by German mathematician
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 The IMO Compendium  Dusan Djukic, Vladimir Jankovic, Ivan Matic, Nikola Petrovic
Huge collection of math olympiad questions, including all the information regarding The IMO Compendiuma book that contains all IMO shortlists (with solutions) and all available longlists. The site also has a large collection of related links.
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 The impact of dynamic geometry software on learning  Bryan Dye; MathsNet
A paper that aims to measure the impact of use of dynamic geometry software on learning via the Internet; to compare various software packages, for example: Geometer's sketchpad, Cinderella, and CabriGeometre; and to measure the impact of "home learning"
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 Implementations of Extended LLL  Wilberd van der Kallen
Notes, including implementations of the extended LLL in Mathematica and GP/PARI, and links to home pages of mathematicians doing recent relevant work.
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 Important Concepts from Projective Geometry  Paul Beardsley
Contents include: Homogeneous Coordinates; Manipulating Points and Lines; Projective Transformations; Projective Invariants; and Ideal Points and Vanishing Points.
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 Impossible World  Vlad Alexeev
About impossible figures in art. These figures can be painted on paper but cannot be represented in space. There are many artworks by M.C. Escher, Jos de Mey, Sandro del Prete and many other artists. Also, you can view animations and read articles about
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 Impressions from ICME9  Cut the Knot!, Alexander Bogomolny
Statistics on attendance (by country) at the International Congress on Mathematics Education held in Tokyo, Japan in August, and impressions of talks on the state of mathematics education in the year 2000. According to Mogens Niss (Denmark) who gave the
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 The Improbability Principle  David J. Hand
Accompanying Hand's The Improbability Principle, subtitled "Extremely Improbable Events are Commonplace." Hand offers five probability theory and statistics articles: the Law of Inevitability; the Law of Truly Large Numbers; the Law of Selection; the
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 InCharge Education Foundation  InCharge Education Foundation, Inc.
The nonprofit InCharge Education Foundation promotes financial wellness by offering data, information, research, and education on the behaviors and issues facing average individuals and families on consumer credit, money management, and financial wellbeing
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 The Incredible Pi Code  Ivars Peterson (MathTrek)
Researchers have expended a great deal of effort computing as many of the digits of pi as computer technology and mathematical methods allow. Last year, Yasumasa Kanada of the University of Tokyo calculated pi to 206,158,430,000 decimal digits. A high
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 Indexed  Jessica Hagy
With Venn diagrams, pie charts, and other wryly labeled graphs, author Hagy "makes fun of some things and sense of others without resorting to doing actual math." Categories of her notecard sketches, which date back to August of 2006, include "school,"
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 Index Nationale des Prépublications des Mathématiques en France
Projet qui vise à constituer un index interrogeable par champs: (auteur, titre, classification...) de toutes les prépublications et thèses de mathèmatiques en France. A searchable index by field (author, title, category) of
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 Indian numerals  MacTutor Math History Archives
Linked essay on the method of expressing every possible number using a set of ten symbols (each symbol having a place value and an absolute value), which emerged in India. With references and other related web sites.
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 Indian Ocean Monsoon  Earth Space Research Group (ESRG)
A scenario developed by the Dept of Geography at UCSB and the EarthSpace Research Group, part of the Institute for Computational Earth System Science. Includes sections useful for firstyear Calculus students. The monsoon, one of the most dramatic climates
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 Indian Society for Mathematical Modelling and Computer Simulation (ISMMACS)
Information about the society, its constitution and bylaws, membership application form, conferences.
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 Indian Statistical Institute (ISI)  Bangalore Centre, India
An institute of higher learning in Mathematics and Statistics.
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 The Indian Sulbasutras  MacTutor Math History Archives
Linked essay on the Sulbasutras, appendices to the Vedas that contain all that is known of Vedic mathematics, and give rules for constructing altars. (The Vedic people entered India about 1500 BC from the region that today is Iran. The word Vedic describes
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 Industry Initiatives for Science and Math Education
Industry Initiatives for Science and Math Education (IISME) seeks to transform teaching and learning through industryeducation partnerships, such as its summer fellowship program. Founded in 1985 by a consortium of San Francisco Bay Area companies in
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 Industryshack: online unit conversion tools
More then 80 engineering and common unit conversion tools for students, engineers and scientists, as well as links to engineering calculators.
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 INDY 500  Susan Boone
Students find the mean and median speed for the Indianapolis 500. Rates per lap are calculated, as well as the length of each lap. Students research information and collect data via the Internet.
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 Inexplicable Secrets of Creation  M. Watkins
Quotations, curiosities, and explanations on the connections between physics and number theory.
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 Infinite Series  Public Broadcasting Service
Math videos that mix graphics with narration from mathematician Kelsey HoustonEdwards. Clips, which date back to November, 2016 and run seven to seventeen minutes in length, have included "Singularities Explained," "The Mathematics of Quantum Computers,"
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 Infinity  MacTutor Math History Archives
Linked essay on the mathematical, philosophical, and religious aspects of infinity. With references and other related web sites.
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 Infinity  Pavel Mikhailov
Infinity solves systems of ordinary nonlinear nonautonomous differential equation. See screenshots, read articles, and subscribe to the newsletter; download or purchase the software; obtain help and technical support online.
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 Infinity: You Can't Get There From Here!  B. Sidney Smith; Math Academy Online/Platonic Realms
A "minitext" offering a concise introduction to the concept of infinity. Includes historical background, Cantor's set theory, and an introductory discussion of cardinality, as well as suggested reading.
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 The Inflation Calculator  S. Morgan Friedman
A web form that adjusts any given amount of money for inflation, according to the Consumer Price Index, from 1800 to 2005. Pre1975 data are the Consumer Price Index statistics from Historical Statistics of the United States (USGPO, 1975). All data since
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 InfoMac archive  Washington University
A mirror of the FTP InfoMac Archive of the University of Michigan. The sci folder offers many mathematics .hqx program files to download, including a subfolder for calculator freeware.
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 INFOMAC HyperArchive ROOT
Root of a hypertext subtree containing a mirror of the Sumex InfoMac archives for the Macintosh. The _Science_&_Math folder offers many mathematics program files to download. Designed for browsing, allowing fast access to the brief descriptions at the
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 Infonation  United Nations Publications
An easytouse, twostep database that allows you to view and compare the most uptodate statistical data for the Member States of the United Nations. In the first menu, you can select up to seven countries; then proceed to the data menu where to select
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 Information Access Laboratory  Directorate for Education and Human Resources, National Science Foundatation
The Information Access Laboratory is dedicated to encouraging students with disabilities in the sciences by eliminating barriers that hinder their educational pursuits. Students with disabilities are especially underrepresented in the science, engineering,
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 Information is Beautiful  David McCandless
Compelling graphic presentations on health supplements, plane accidents by final destination, government spending, time travel in popular film and TV, and many other "facts, data, ideas, subjects, issues, statistics, and questions"  all with the minimum
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 Information on Pentomino Puzzles  Frank Ruskey; Dept. of Computer Science, Univ. of Victoria, B.C., Canada
A pentomino is an arrangement of 5 unit squares (or sometimes cubes) that are joined along their edges. Up to isomorphism (rotating and flipping), there are 12 possible shapes, which are illustrated. Each piece is labelled by the letter that most accurately
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 INFORMS Computing Society (ICS)  Institute for Operations Research and the Management Sciences
A society concerned with computer science, artificial intelligence, and their relation to operations research and the management sciences. The purpose of the ICS is twofold: to help keep INFORMS members abreast of useful developments in CS/AI, and to
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 INFORMS Online: Institute for Operations Research and the Management Sciences
The online information service of the Institute for Operations Research and the Management Sciences, serving the professional and scientific needs of OR/MS investigators, scientists, educators, students, and managers, and their institutions. You can subscribe
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 INFORMS OR/MS Resource Collection
 Michael Trick, Carnegie Bosch Inst., Grad. School of Indust. Administration, Carnegie Mellon Univ.
An organized listing of sites concerned with the field of operations research, the technique of using modern scientific models to predict and compare the outcomes of complex systems, considering factors such as change and risk, with links to: FAQs; Societies;
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