 Eformulae.com
Eformulae.com is a online resource of engineering formulas, science formulas, math formulas, physics formulas, chemistry formulas, tables, glossary of terms related to computer engineering, manufacturing technology, mechanical engineering, agricultural
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 EG Models (Electronic Geometry Models)  Michael Joswig, Konrad Polthier
A refereed archive of interesting geometric examples and visualizations, open for any geometer to publish new geometric models, or to browse the models for material to be used in education and research. The geometry models cover a broad range of mathematical
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 Egyptian Fractions  David Eppstein
Links to algorithms for Egyptian fractions, transcriptions of network conversations, and many other relevant sites.
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 Egyptian Number Translation  Poseidon Software and Invention
A calculator that takes a decimal number and translates it into Egyptian hieroglyphs.
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 Egyptian numerals  MacTutor Math History Archives
Linked essay on the Egyptians' base 10 system of hieroglyphs for numerals, with separate symbols for one unit, one ten, one hundred, one thousand, one ten thousand, one hundred thousand, and one million. With references and other related web sites.
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 The e Home Page  Doug Sapp
The Euler's number home page: e to 100,000 decimal places, to 2,000,000+ decimal places; Top 1n(e^10) reasons why e is better than pi; the 15 digit club; fun facts and interesting things about e.
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 EiffelMath: Object Technology For Numerical Computation  Interactive Software Engineering, Inc.
A library of reusable objectoriented components for numerical computation. Applying the full Design by Contract approach, simple routine interfaces (with small argument lists), simple and consistent error handling through Eiffel's disciplined exception
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 Einstein Archives Online  The Hebrew University of Jerusalem
Freely view thousands of Einstein's writings, digitized from the manuscripts held by the Albert Einstein Archives at the Hebrew University of Jerusalem: scientific correspondence, travel diaries, family letters, and more. The site also enables access
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 The Einstein Papers Project  California Institute of Technology
This database of 80,000 records of all known Einstein manuscripts and correspondence ranges from the physicist's first work on the special and general theories of relativity and the origins of quantum theory, to his active involvement with international
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 Einstein's Big Idea  WGBH Boston
Resources to accompany the PBS broadcast "Einstein's Big Idea," the theory of special relativity: program transcript; teacher's guide; inquiry and articles; and "Interactives, Audio and More," which includes video of ten top physicists each describing
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 Ejercicios Resueltos de Matematicas  GuiaMath
Ejercicios Resueltos de Matematicas, Atencion Personalizada Para Estudiantes de Ingenieria y Licenciaturas. Material En formatos Jpg y Videos Mpg, Tratamos todo tipo de Asignaturas de Algebra y Calculo desde Basico a Superior. Logica, Conjuntos, Funciones,
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 Ejercicios y Problemas de Matemática  Pablo Mateus
Ejercicios y problemas de números (natural, entero, racional, real), estadística, ecuaciones, funciones, análisis combinatorio, probabilidad, trigonometria, geometria, y más. También, um glosario y consejo sobre pruebas
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 ELA Mathematics Directory  Pat Gallegos
Well organized directory of links to intermediate mathematical topics. No
original content.
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 Eleanor Roosevelt Fund Award  American Association of University Women (AAUW)
Established in 1989, the Eleanor Roosevelt Fund Award honors an individual, project, organization, or institution for outstanding contributions to equity and education for women and girls. The award is given for a broad range of activities including classroom
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 Election Analytics  University of Illinois
Uptotheminute estimates for the probabilities of all federal elections that take place in a year when Americans vote for U.S. President: who will assume the presidency, who will control the United States Senate, and the House of Representatives. With
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 Electrical Engineering Toolbox  Cody Miller, Aspen Labs, LLC
Calculate trace width, trace current, trace resistance, impedance, crosstalk (microstrip or stripline), and inductance (wire, parallel wires, coax, wire over plane, loop, rectangle loop, coil, broadside traces, and edgecoupled traces). Download "math
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 Electric Currents in Infinite Networks [PDF]  Peter G. Doyle
Networks as Riemann surfaces. A paper that shows how to get a more complete theory of conduction in infinite networks by paralleling the welldeveloped theory of conduction on open Riemann surfaces. PostScript and source file are available from Doyle's
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 Electronic Journal of Combinatorics  McKay, Wilf, Eds.
A refereed allelectronic journal that welcomes papers in all branches of discrete mathematics, including all kinds of combinatorics, graph theory, discrete algorithms, etc. See also The Electronic Journal of Combinatorics and The World Combinatorics
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 Electronic Journal of Differential Equations (EJDE)
An electronic publication (ejournal) dealing with all aspects of differential equations (ODEs, PDEs, integral equations, functional differential equations, etc.), and their applications. The EJDE accepts only firstrate original work, subject to as rigid
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 Electronic Journal of Linear Algebra (ELA)  International Linear Algebra Society (ILAS)
A refereed allelectronic journal for articles that contribute new information and insights to matrix analysis and the various aspects of linear algebra and its applications. It is primarily available to the public via the World Wide Web, in Haifa, Israel
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 The Electronic Journal of Mathematics & Technology  WeiChi Yang, EditorinChief
The Electronic Journal of Mathematics & Technology (eJMT) publishes research addressing technologybased issues in all mathematical sciences. This international, refereed journal has four basic areas of interest: research in mathematics and its applications
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 Electronic Journal of Probability & Electronic Communications in Probability (EJPECP)  Institute of Mathematical Statistics
Two electronic journals, EJP and ECP. Abstracts, postscript, and PDF files of contents starting in 1996; author index; subscription and submission information.
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 Electronic Journal of Qualitative Differential Equations (EJQTDE)  Burton, Hatvani, editors
Papers appearing in EJQTDE are available in DVI, PS and PDF formats, and can be previewed or downloaded. All topics related to the qualitative theory (stability, periodicity, boundedness, etc.) of differential equations (ODE's, PDE's, integral equations,
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 Electronic Journal of Undergraduate Mathematics  Mark Woodard; Dept. of Mathematics, Furman University, Greenville, SC
An onlineonly journal designed to encourage undergraduate research in the field of mathematics. It allows quick publishing of math papers, giving undergraduate students a chance to see their work published prior to their graduation. Any undergraduate
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 Electronic Journals in Mathematics  Dept. of Mathematics, Univ. at Albany
Links to electronic journals for mathematics, and those publishing both electronically and on paper. Examples: The Electronic Journal of Combinatorics; The Electronic Journal of Differential Equations; Electronic Journal of Probability and Electronic
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 The Electronic Library for Mathematical Software (eLib)  KonradZuseZentrum für Informationstechnik Berlin (ZIB)
eLib contains CodeLib of ZIB; a mirror of NetLib of AT&T and ORNL; a mirror of the REDUCE network library RedLib of A. C. Hearn at Rand Corp.; the archives MPTestdata (programming problems), MathProg (programming codes), and the OptNet discussion
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 An Electronic Primer on Geometric Constraint Solving  Bouma, Chen, Fudos, Hoffmann, Vermeer
An primer with applications in fields such as molecular modeling, computeraided design, tolerance analysis, geometric theorem proving, and more. Four different "tours" through the material (overview, profile editor tutorial, theoretical foundations,
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 Electronic Proceedings of the Fifth MSIStony Brook Workshop on Computational Geometry  Dept. of Applied Mathematics and Statistics, Stony Brook
Electronic proceedings of the fifth in a series of annual fall workshops on Computational Geometry, sponsored by the Mathematical Sciences Institute (MSI), through the Army Center for the Mathematics of Nonlinear Systems at Stony Brook.
Abstracts of
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 Electronics Library, Electronics Community
Thousands of links to R&D documents in electronics. Utilities, general electronics, components, circuits, digital signal processing, measuring, electromagnetics, electric effect, energy, communications, more on the Web. Community and forum.
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 Electronic Transactions on Numerical Analysis (ETNA)  Reichel, Varga, Eds.; Kent State University
An electronic journal for the publication of significant new and important developments in numerical analysis and scientific computing. Papers of the highest quality that deal with the analysis of algorithms for the solution of continuous models and numerical
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 Electronic Transactions on Numerical Analysis (ETNA): Search  Kent State University
A searchable index for all of ETNA's published articles. To search for articles, enter a query into the Glimpse search engine.
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 Elementary Computer Mathematics  Kenneth R. Koehler
An introduction to the mathematics used in the design of computer and network hardware and software. This hypertextbook's goal is to prepare the student for further coursework in such areas as hardware architecture, operating systems internals, application
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 Elementary Euclidean Geometry (2Dimensional)  Dave Rusin; The Mathematical Atlas
A page designed to provide an introduction to twodimensional Euclidean geometry. History; applications and related fields and subfields; textbooks, reference works, and tutorials; software and tables; selected topics; other web sites with this focus.
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 Elementary Linear Algebra  Keith R. Matthews, Univ. of Queensland, Australia
Lecture notes, in PDF, which formed the basis for a textbook on the subject. Solutions to the problems are included separately.
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 Elementary Number Theory  Michael Filaseta; University of South Carolina
Lecture notes from a course taught in fall of 1997  class notes are available in postscript format. A graph compares Li(x), Pi(x), and x/log(x).
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 The Element: Science and Math  Deja.com
Searchable archives of math and science newsgroup postings. This community aims to share resources and give people an easy way to ask questions within relevant newsgroups, providing broad discussions of mathematical concepts from beginning to advanced
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 Elements Of Design  Colleen Deery
Explore galleries of fractal art by artist Colleen Deery.
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 Elements Research
Software developers of EleGeodesic, for geodesic computation, which finds minimumlength straightestpossible path between points on a curved multidimensional manifold; EleNTorus, for nsphere, nellipsoid, and ntorus computation, which provides generic
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 Eli's Math and Logic Puzzles and Other Interesting Things  Eli Karplus
A mixed bag of problems, some geared toward the 6th grade level, others to challenge college folk, with answers for a few. Three Men in a Hotel/The Missing Dollar; The Boatman Crossing the River with Fox, Chicken, and Cabbage; Benardete's Paradox; The
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 Elliptic Curves and Elliptic Functions  Charles Daney
From The Mathematics of Fermat's Last Theorem. With a glossary; contents include: What is an elliptic curve?; The group structure of an elliptic curve; Arithmetic on elliptic curves; Further basic concepts and results.
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 Elliptic Curves and Formal Groups  Lubin, Serre, Tate
Lecture notes from a seminar, part of the Lecture notes prepared in connection with the seminars held at the Summer Institute on Algebraic Geometry, Whitney Estate, Woods Hole, Massachusetts, July 6July 31, 1964.
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 Elliptic Curves and Right Triangles  Karl Rubin; Stanford University
Slides (GIF) of lectures.
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 Elliptic Curves  Dave Rusin; The Mathematical Atlas
An area of algebraic geometry that deals with nonsingular curves of genus 1  in
English, solutions to equations y^2 = x^3 + A x + B. It has important connections to number theory and in particular to factorization of ordinary integers (and thus to cryptography).
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 Elliptic Curves II  Johan P. Hansen; Dept. of Mathematics, Ny Munkegade, Aarhus
Lecture notes in English and German, a continuation of the course: "Elliptic curves over Q and C," on modular forms and elliptic curves.
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 Elliptic Curves  Stéfane Fermigier
A collection of links on research articles on elliptic curves and related topics (applications, modular forms, Fermat's Last Theorem). Algorithmic applications; Modular forms aspects; Lcurves; High rank curves; Heights. Bibliographies. Some papers in
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 Elliptic Functions and Integrals  MacTutor Math History Archives
Linked essay covering 1655 through 1694, with accompanying description of the subject and 8 references (books/ articles).
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 Elliptic Geometry Drawing Tools  Brad Findell
Elliptic geometry calculations using the disk model. Includes scripts for: Finding the point antipodal to a given point; drawing the circle with given center through a given point; measuring the elliptic angle described by three points; measuring the
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 El Paraíso de las Matemáticas  Xavier Ribas
Apuntes, ejercicios, exámenes, enlaces, un tema de matemáticas cada quincena, un consultorio, algo de historia, diccionario, etc.
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 El Rincón de la Calculadora Gráfica  Francisco Puerta García; Sociedad Canaria 'Isaac Newton' de Profesores de Matemáticas
Artículos de una sección de la revista NUMEROS, que sirve de foro para que los profesores de matemáticas que utilizan calculadoras gráficas en sus clases puedan intercambiar ideas, consultar dudas y mantener debates sobre los
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 Elsevier Science
"Information Provider to the World." Elsevier's mission is "to advance science, technology and medical science by fulfilling, on a sound commercial basis, the communication needs specific to the international community of scientists, engineers and associated
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