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  All Sites - 476 items found, showing 451 to 476

  1. Visible Euclidean Algorithm: finding greatest common divisors - Paul Garrett
    Enter two positive integers, and click the button to see the operations of the Euclidean Algorithm. ...more>>

  2. Waring Experiments - Ivars Peterson (MathLand)
    You might suspect that, at some point, four squares would no longer be enough to express a given whole number. This reasonable supposition was overturned in seventeenth century, when Pierre de Fermat proved that every positive whole number can be expressed ...more>>

  3. What, How, and the Web - Cut the Knot!, Alexander Bogomolny
    More on place value. "There is an obvious confusion there between two questions, what to teach and how to teach it. Does the failure of the New Math to present a specific topic necessarily imply that teaching this topic has no merit? The New Math has ...more>>

  4. What is 1+1? - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about what 1+1 is in decimal and binary, how to prove it with Peanos Postulates, as well as a false proof that 1 + 1 = 1. ...more>>

  5. What is Mod? - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about modular arithmetic, including the method of casting out nines. ...more>>

  6. Wiles' proof of Fermat's Last Theorem - Paul Hewitt; University of Toledo
    An overview, following Glenn Stevens' article in Modular Forms and Fermat's Last Theorem (Springer-Verlag, 1997). Notes from a series of three 1998 lectures. ...more>>

  7. Wiles, Ribet, Shimura-Taniyama-Weil and Fermat's Last Theorem - Dept. of Mathematics and Statistics, The University at Albany
    An archive of FLT material from conferences, lecture, meetings, newsgroups, and Web sites. Much of the material that seeded this archive was copied from the former gopher archive pertaining to "Fermat's Last Theorem"at e-math.ams.org. ...more>>

  8. Wilson's Theorem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A description and proof of Wilson's Theorem, another consequence (Fermat's Little Theorem being one) of Euclid's Proposition VII.30, with related links. ...more>>

  9. WIMS (WWW Interactive Mathematics Server) - Université de Nice - Sophia Antipolis
    Interactive mathematical applications, also available in French, with documentation. The server's exercises and programs are designed to find a polynomial with given values; find the Taylor expansion of a function; find a polynomial from its curve; given ...more>>

  10. Wireless Philosophy
    Free videos on the practice of philosophy — teaching viewers how to develop critical thinking skills and do philosophy, rather than simply learn what philosophers have thought. See, in particular, Wi Phi's categories of videos on the philosophy ...more>>

  11. The Wolfram Demonstrations Project - Wolfram Research, Inc.
    A web collection of freely available demonstrations in math, science, and many other areas. Interact with the demonstrations directly in your browser. Each Demonstration contains a set of related links to sites such as MathWorld, The Wolfram Functions ...more>>

  12. The Work of Robert Langlands - Mathematics Dept., University of British Columbia, Canada
    A selection from Langlands' professional correspondence, previously unpublished work, and published work now out of print. Thesis, papers, manuscripts, letters, and bibliography. ...more>>

  13. World of Words, Numbers, and Notes - Mike Keith
    Mostly original diversions in the areas of mathematics, word play, and music, including a Cadaeic Cadenza, a long pi mnemonic. Also, Ailihphilia (literature and word play) and Scitamatics (mathematical diversions): the recreational study of words, numbers ...more>>

  14. Writings for a General Audience - Marcus Jaiclin
    PDF articles on popular and recreational mathematics by Jaiclin, an Assistant Professor at Westfield State University: Notes on Mathematics of Voting Methods; Fractals, Pascal's Triangle, and the p-adic Numbers; Airplane Passenger Seating Problem; No ...more>>

  15. Wuzzit Trouble - BrainQuake Inc.
    Designers of arcade quality educational game apps that espouse embodied learning from which "you cannot fail to learn about mathematics." Use puzzle-solving skills to explore and practice basic arithmetic, integer partitions — even Diophantine equations ...more>>

  16. XGC: an eXtension of Goldbach's Conjecture - Andrea Ercolino
    XGC is based on a new version of the Eratosthenes' Sieve. GC: Every natural n = 2*k, where k >= 3, is the sum of 2 odd primes. XGC(c,m): Every natural n = m*k, where k >= c + m, is the sum of m numbers belonging to the Euclid(c,m) set. Includes ...more>>

  17. Yahoo! Science: Mathematics - Yahoo! Inc.
    All the best on the Web in math including Indices, alphabetically listed by category: Academic Papers; Algebra; Applied Mathematics; Books; Calculus; Chaos; Combinatorics; Complex Systems; Conferences; Education; Employment; Entropy; Equations; Ethnomathematics; ...more>>

  18. Yuri Matiyasevich
    Yuri Matiyasevich is best known for finding a negative solution to Hilbert's Tenth Problem, which has applications to the theory of algorithms, algebra, number theory, model theory, proof theory, and theoretical computer science. As well as information ...more>>

  19. Yves Gallot's Proth.exe and Cunningham Chains - Warut Roonguthai
    A collection of interesting Cunningham chains of large prime numbers (with a link to an explanation of Cunningham chains), and how to find some of them using Yves Gallot's Proth.exe, a Windows 95/NT program. ...more>>

  20. Zentralblatt MATH Database - Springer-Verlag
    A database edited by the European Mathematical Society, the FIZ Karlsruhe, and the Heidelberg Academy of Sciences, and established in cooperation with Math Doc Cell (France). Search for abstracts of papers on any math subject by author, title, classification, ...more>>

  21. Zeroing In on Catalan's Conjecture - Ivars Peterson (MathTrek)
    Preda Mihailescu of the Swiss Federal Institute of Technology in Zurich has proved a theorem that is likely to lead to a solution of Catalan's conjecture, a venerable problem involving relationships among whole numbers (in 1844, Catalan asserted that, ...more>>

  22. Zeta related functions and proof of Riemann's Hypothesis
    Recent studies on Zeta functions and a proposed proof of Riemann's Hypothesis. Theorem of El'Melik; Proof of "Riemann's hypothesis" by above identities; Other Zeta related functions. ...more>>

  23. ZetaTrek - Rohit Gupta
    An "online expedition of science and math hobbyists across the world," ZetaTrek mobilizes citizen scientists to promote the history and culture of mathematics, and involves them in research, with particular emphasis on solving the Riemann Hypothesis. ...more>>

  24. Zhi-Wei Sun's Home Page - Zhi-Wei Sun
    Prof. Zhi-Wei Sun works in the field of combinatorial number theory. Some of his papers and some surveys for non-experts are available in postscript form from this page. ...more>>

  25. Zoltan Dienes' Web Site - Zoltan Dienes
    "Math through play" from a developer of psychomathematics, multi-base blocks, and the six-stage theory of learning mathematics. Freely download PDFs of Dienes' Ruritania stories and math games such as Strip Mathematics, Circular Villages, Six Stages with ...more>>

  26. Z's Roguelike Stuff - Zeno Rogue
    Mathematical games and projects include HyperRogue, a treasure-collecting, goblin-killing adventure set in non-Euclidean space -- specifically, a hyperbolic plane of negative curvature filled with elixirs and slime beasts; and Hydra Slayer, which begins ...more>>

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