 Multigrid Algorithm Library  Ulrich Ruede; German Scientific Computing Pages
Multigrid (MG) methods are fast linear iterative solvers based on the multilevel or multiscale paradigm. The typical application for multigrid is in the numerical solution of elliptic partial differential equations in two or more dimensions. MG can be
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 Multimedia Catalogue  Biography Index  Institute and Museum of the History of Science of Florence, Italy
Biographical texts of personalities connected in some way to Galileo. Each text is accompanied by still or animated images or by filmed sequences. Included are Archimedes, Aristotle, Bernoulli, Brahe, Copernicus, the Galilei family, Kepler, Milton, Ptolemy,
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 Multimedia Documents  The Geometry Center
Conference proceedings; research papers that use hypertext to present information in a nonlinear fashion, many including movies or interactive pictures; expository papers that use hypertext to present information about mathematics or the Geometry Center
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 Multiple Regression with Applications  Elmer G. Wiens; Egwald Web Services Ltd.
Statistics programs with multiple regression and restricted least squares,
interactive and online model, used to predict Canadian Elections and to
estimate the ceofficients of a CobbDouglas Production Function.
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 Multisimplex: Rapid Experimental Optimization  MultiSimplex AB
A Windowsbased software for experimental design and optimization. The site features method descriptions, a searchable database, free downloads, and full product, contact, and ordering information.
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 Multithreaded Fractal Generator  Martin Hilpert
A fractal generator that is platform independent (running on any Java Virtual Machine) and uses many threads to calculate fractals for improved speed on multiprocessor/multicore computers.
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 Multivariate Calculus With Maple  Carlos Rodriguez
An experiment in the use of the World Wide Web as a teaching aid for a course in multivariable calculus, using Maple as a symbolic calculator. Topics include Review of Calculus 1; Vector Geometry; Geometric Algebra; Vector Functions; Functions of Several
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 Multivariate polynomial interpolation  Shayne Waldron
A summary of some ongoing investigations into the error in multivariate interpolation. This page is organised to more generally serve those interested in multivariate polynomial interpolation (error formulae and computations). Work on differencing, multipoint
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 MUltlog  Gernot Salzer et al.
MUltlog is a system that takes as input the specification of a finitelyvalued firstorder logic and produces a sequent calculus, a natural deduction system, and clause formation rules for this logic. All generated rules are optimized regarding their
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 MUltseq  Gil, Salzer
MUltseq is a generic sequent prover for propositional finitelyvalued logics. It is intended as companion for MUltlog, which computes optimized sequent rules from the truth tables of a finitely valued logic. MUltseq uses these rules to construct derivations
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 MultyGraphiX 2D & 3D function plotter  Sergey Petrov, ADC Software
Plot any mathematical 2D and 3D, explicit and parametric functions. Allows users to plot functions in Cartesian, polar, cylindrical, and spherical coordinates. Trial version available for this commercial software. Windows only.
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 MuPAD: Multi Processing Algebra Data tool  The MuPAD Group at University of Paderborn
MuPAD is a general purpose computer algebra system for symbolic and numerical computations. Users can view the library code, implement their own routines and data types, and can also dynamically link C/C++ compiled modules to meet their preferences for
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 Murder and the Economist  Ivars Peterson (MathTrek)
The prominent role of economic principles is certainly evident in all the mysteries of Marshall Jevons. It doesn't take long for protagonist Henry Spearman to begin invoking economic theory in Murder at the Margin, which started the series off in 1978.
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 Museum of History of Science, Florence, Italy
A bilingual (Italian and English) site providing research capabilities within the Italian Bibliography of Science History and the Library of the History Of Science Museum. Includes an online exhibition on Mechanical Marvels  Invention in the Age of Leonardo,
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 The Museum of HP Calculators  David G. Hicks
The Museum of HP Calculators displays and describes HewlettPackard calculators
introduced from 1968 to 1986 plus a few interesting later models. There are also sections on calculating machines and slide rules as well as sections for buying and selling
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 Museum of the History of Science  Oxford University, U.K.
The Museum houses a collection of historic scientific instruments in the Old Ashmolean on Broad Street, Oxford, covering almost all aspects of the history of science, from antiquity to the early twentieth century. Particular strengths include the collections
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 Music and Virtual Flowers  Robert Walker
Fractal music, fractally based flowers, and geometrical models.
Programs are available for download. Make four and higherdimensional cubes and simplexes, then rotate them into the higher dimensions (so that the three dimensional projections change
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 Music by John Greschak  John Greschak
Platonic Dice: Dodecahedron, Platonic Dice: Hexahedron, Pentominoes, The Tower of Hanoi, and other music compositions based upon the mathematical properties of various objects. Listen with RealAudio or Midi.
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 The Music of José Oscar Marques
Listen to fractal music compositions in General MIDI file format, designed to show that recursive algorithms can be employed to create music of the same strange beauty as the richly decorated fractal picture on the site.
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 The Music of the Primes  Marcus du Sautoy
An article on the Riemann Hypothesis, "the greatest unsolved problem of mathematics."
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 The Mutilated Checkerboard in Set Theory  John McCarthy
An 8 by 8 checkerboard with two diagonally opposite squares removed cannot be covered by dominoes each of which covers two rectilinearly adjacent squares. This site presents a set theory description of the proposition and an informal proof that the covering
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 MVC (Metroplex Voice Computing)
Hands and mousefree arithmetic and math programs for the physically impaired student who cannot use the keyboard. Voiced mathematics products include: ArithmeticTalk (grades 15, for addition, subtraction, division, and multiplication); MathTalk (grades
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 MX4002: Algorithms  Ian Craw and John Pulham; University of Aberdeen
Lecture notes, tutorial sheets, exams, and other material provided for a course on algorithms with the objective of exposing the student to a small number of typical methods from a range of different contexts, so as to reveal the type of thinking that
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 MyBrain! A Cellular Automata Program  Ole Petersen
Download a small, powerful zipped CA program for any level of education/recreation.
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 My Calculator Rental  Ben Burnett
Lender of graphing calculators. Rent for as long or as little as you like for a monthly fee. Select from the TI83 Plus, TI84 Plus, TI86, and TI89 Titanium calculators. mycalcrental.com also provides downloads of user manuals.
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 My Geeky Tutor
Homework help in collegiate math: calculus, algebra, statistics, geometry, trigonometry, quantitative analysis, physics, economics. Support forum, daily solved problems, study guides, and more.
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 My GRE Tutor
Includes hundreds of math questions, ranging from elementary arithmetic to geometry. Answers to questions are fully explained, and the complete GRE practice tests contain math questions, too. Free; login required.
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 My Maple Page  Gilberto E. Urroz
Documents and links related to the use of Maple, a commercial, symbolicbased environment, for the solution of problems in science and engineering mathematics.
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 My Math Forum  Julien Santini
Discussion forums that concentrate on college and high school mathematics. Santini posts PDFs of two Weekly Problems, one intended for advanced high school students, the other for college students. See also his "250 Solved Problems," with downloadable
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 My NMSI Story
Watch clips of U.S. students and teachers speaking about their participation in the National Math and Science Initiative's Advanced Placement Training and Incentive Program (APTIP). Upload your own video narrative about APTIP, which has expanded American
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 My Puzzle Note  WenShan Kao
The 18 ProTangram is an interesting and excellent puzzle game for the
purpose of education at school and of recreation at home. Players of
different ages can practice and enhance their concept of reflective or
rotational symmetry, and of the congruent
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 My Reckonings  Ron Doerfler
Doerfler's book Dead Reckonings: Calculating without Instruments "describes techniques of computation and approximation that can be used to rapidly and mentally calculate mathematical quantities." Other sections of the site discuss sundials; astrolabes
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 Myronn Hlynka's Queuing Theory Page  Dr. Myron Hlynka
Provides general information and links to books, researchers, software,
humour, and applications of queuing theory/ queues/wait times.
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 My Speed Cubing Page  Jessica Fridrich
"Intended for those of you who can already solve [Rubik's] cube in a few minutes and want to get really fast." Content includes "20 years of speed cubing (a short historical narrative)," "Finger shortcuts," "Move algorithms to your subconsciousness,"
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 Mystic Chaos: A Preliminary Report  Ivars Peterson (MathLand)
Billed as a fantasy adventure game, Chaos involves solving a mystery  or rather, a large number of little puzzles that supposedly add up to something bigger  starting from scratch. You have to figure out what the mystery is and how you as the player
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 Myths in Math  Charles E. Mannix and Ken Ross
An article about myths concerning the mathematics job market.
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 My Virtual Reference Desk  Bob Drudge
Designed to be a onestop reference guide to all things Internet. You can search the Web, AP/Reuters, or DejaNews by keyword; find the weather by city or zip code; get stock quotes; follow links to sources of news, radio news, newspapers, TV news, magazines,
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 My World of Linear Algebra  Thomas S. Shores
Linear algebra resources, including Applied Linear Algebra and Matrix Analysis, a textbook for an introductory linear algebra course; and tutorial notebooks in Maple and Mathematica, some of which are the basis for linear algebra projects.
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 Na_WorkSheet  Dana Proctor
The Na_WorkSheet is a collective aggregation of algorithms coded in
Java that implements various Numerical Analysis solutions/techniques.
The worksheet is generally aimed at educators and students that would
like to demonstrate or analyze various Numerical
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 NACME: National Action Council for Minorities in Engineering, Inc.
An organization that conducts statistical research; develops model programs that address university performance as well as reform of K12 math and science education; assures that essential guidance information reaches students, parents and teachers; and
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 A Nameless Number  Len Smiley
Trianglefree polygon dissections are a variant of the dissection questions of Catalan, Schroeder, and others: In a convex (n+2)gon with n+2 labeled nodes, what is a(n), the number of ways of drawing nonintersecting diagonals so that no triangles are
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 Names for features of symmetrical patterns (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
Names for features that may occur in symmetrical patterns. To each such feature of the pattern, there is a corresponding feature of the quotient orbifold. Mirrors and mirror strings; mirror boundaries; gyration points; cone points.
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 Names for Numbers  Ivars Peterson (MathTrek)
Once someone discovers an interesting pattern or type of behavior, those particular numbers are likely to earn a collective name. So we have perfect numbers, amicable numbers, lucky numbers, Mersenne numbers, Fermat numbers, Fibonacci numbers, Keith numbers,
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 Names for symmetry groups and orbifolds (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
A symmetry group is the collection of all symmetry operations of a pattern. We give the same names to symmetry groups as to the corresponding quotient orbifolds, regarding every orbifold as obtained from a sphere by adding conepoints, mirror boundaries,
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 NANet  Jack Dongarra, Director; Netlib software repository
A system developed to serve the numerical analysis community and other researchers, composed of two independent databases: Email and White Pages (a directory service). Also the NA Digest, a weekly collection of articles on topics related to numerical
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 NA Numerical Analysis (Front for the Mathematics ArXiv)  Univ. of California, Davis
Numerical Analysis preprints, from the U.C. Davis front end for the xxx.lanl.gov ePrint archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic.
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 Napoleon's Theorem  Cut the Knot!, Alexander Bogomolny
On the sides of a triangle construct equilateral triangles (outer or inner Napoleon triangles). Napoleon's theorem states that the centers of the three outer Napoleon triangles form another equilateral triangle. The statement also holds for the three
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 NASA Podcasting  National Aeronautics and Space Administration (NASA)
Tap into the latest networking technology to get updates from NASA: NASACast, audio and video podcasts, NASA on iTunes, other NASA podcasts, podcasting resources and directories.
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 NASA Technical Report Server (NTRS)  National Aeronautics and Space Administration
Keyword search of the following databases: Ames Research Center; Astronomy & Astrophysics (ADS); Dryden Flight Research Center; Glenn Research Center; Goddard Institute for Space Studies; Goddard Space Flight Center; ICASE; Jet Propulsion Laboratory;
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 Nathan Selikoff
Works, publications, blog, and more from a "fine artist playing at the intersection of interactivity, math, and code." Works have included "Beautiful Chaos" (interactive software art), "Intersect"
(a public art installation), "Four Dimensions" (a realtime
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