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  All Sites - 5571 items found, showing 3901 to 3950

  1. Optimization Technology Center - Argonne National Laboratory and Northwestern University
    A research center dedicated to optimization problems. The "optimization tree," with descriptions of the different subfields of numerical optimization; interactive demonstrations and case studies, including the diet problem and minimum surface area; linear ...more>>

  2. Optique & Cabri - Charrier et Cortial
    A collection of classic diagrams created using Cabri Géometre, reworked in Paint Shop Pro, and some have animated GIFs. Optique Géométrique (reflections and mirrors, refractions and diopters, thin lenses, optical instruments); Optique ...more>>

  3. Opt-Net - Michael Jünger; SIGOPT, Deutsche Mathematiker Vereinigung (DMV)
    An electronic forum for the optimization community organized by SIGOPT under the auspices of the Deutsche Mathematiker Vereinigung (DMV). The basic services are a weekly digest containing a moderated list of contributions, a unique e-mail address and ...more>>

  4. Orbifold Pinball - Yevgeniy Dodis; The Geometry Center
    A game in which you roll a ball on an unusual playing field. The game board is like ordinary pinball in that it features 'bumpers' off which the ball can bounce. But in this game, the board is 'curved' in such a way that a ball barely missing the bumper ...more>>

  5. The Orbifold Shop (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    A symmetry project: the Orbifold Shop offers a free coupon for $2.00 worth of parts, installation included, to anyone acquiring a new orbifold. There are only a few kinds of features for two-dimensional orbifolds, but they can be used in combinations: ...more>>

  6. Orbit Research
    Developers and manufacturers of Orion Talking Scientific calculators the TI-84 Plus and the TI-36X, the iBill Talking Banknote Identifier, and other "products that enable an independent lifestyle for the physically challenged" -- the visually impaired ...more>>

  7. Orbits and Gravitation - MacTutor Math History Archives
    A hypertext essay covering Copernicus through Poincaré, Levi-Civita, and Birkhoff, with References. ...more>>

  8. Order - Kluwer Online
    A journal on the theory of ordered sets and its applications. Order occurs throughout mathematics and especially in algebra, combinatorics, geometry, model theory, set theory and topology. ...more>>

  9. Order, Lattices, Ordered Algebraic Structures - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to ordered sets. Ordered sets, or lattices, give a uniform structure to, for example, the set of subfields of a field. Various special types of lattices have particularly nice structure and have applications ...more>>

  10. Ordinary Differential Equations - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to ordinary differential equations, equations to be solved in which the unknown element is a function rather than a number, and in which the known information relates that function to its derivatives. ...more>>

  11. Ordinary Differential Equations for Reliability, Maintainability and Availability - Harry A. Watson; Math Forum
    A public domain textbook on ordinary differential equations, freely available online, by Harry A. Watson, a mathematician with the U.S. Naval Warfare Assessment Station. The entire document is available in DVI and TEX format on the Math Forum server; ...more>>

  12. Ordinary Differential Equations Project - Blanchard, Devaney, Hall; Boston University
    This project included the development of a textbook (publisher Brooks/Cole Publishing Co.) as well as various workshops on teaching differential equations. Instructors manuals and selected articles are available from this site: "Teaching Differential ...more>>

  13. O'Reilly - O'Reilly & Associates, Inc.
    Computer books, software, and online publishing. Search the O'Reilly catalogue for concepts and keywords having to do with mathematics. Bookstores, conferences, software, how to order, contacts, affiliated companies. ...more>>

  14. The Organic Mathematics Project - Centre for Experimental and Constructive Mathematics (CECM)
    A collaborative research project involving a number of researchers at the Centre for Experimental and Constructive Mathematics (CECM). Involves in part the development of WWW-based and Maple-assisted tools for document annotation and math activation. ...more>>

  15. Organic Mathematics Workshop: The Proceedings - Borwein, Borwein, Corless, Jörgenson, Sinclair, eds.
    Proceedings of a 1996 workshop held at Simon Fraser University, Vancouver, Canada. Speakers (top experimental and computational mathematicians); their articles, with equations, code, photos, videos, and annotations; and related resources and links. Invited ...more>>

  16. Orig4mi - Jorge C. Lucero
    Origami na ciência, tecnologia e design. Desde outubro, 2008, este profesor da Universidade de Brasília tem escrito neste blog artigos diversos sobre origami, inclusive abrigos dobráveis de bambu, origami com moléculas de DNA, ...more>>

  17. Origami Mathematics - Tom Hull
    Information on origami and the mathematics of paper folding. With an origami math bibliography and pictures and tutorials in origami geometric construction, as well as links to other origami sites and events. ...more>>

  18. Origami Page - Joseph Wu
    Origami is the art of paper folding. The word is Japanese, literally meaning "to fold" (oru) "paper" (kami). Links to photo galleries, information on origami, files and diagrams, other origami home pages, and areas related to origami (A paper on Molecular ...more>>

  19. Origami (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on the Japanese art of paper folding, obviously geometrical in nature. Some origami masters have looked at constructing geometric figures such as regular polyhedra from paper. In the other direction, some ...more>>

  20. Original Lesson Plans - Mathematics - Thirteen/WNET New York
    Original Web-based activities developed by Thirteen Ed Online Master Teachers. Each lesson consists of an overview with learning objectives, procedures for teachers, and "organizers" for students -- hand-outs, bibliographies, and other materials. Math ...more>>

  21. Orlando Sessions: Math Education Reform - Math Forum
    The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on math education reform. ...more>>

  22. Orlando Sessions on Interdisciplinary Math
    The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on interdisciplinary programs. ...more>>

  23. Orlando Sessions on Pre-Service Teacher Ed - Math Forum
    The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on "Creating an Active Learning Environment - Preparing Pre-Service Teachers." ...more>>

  24. OR-Library - J. E. Beasley; Imperial College of Science, Medicine and Technology
    A collection of test data sets for a variety of Operations Research (OR) problems, available via emailing to o.rlibrary@ic.ac.uk a message containing the name of the required file, or via FTP/WWW using the links provided. Also at http://mscmga.ms.ic.ac.uk/info.html. ...more>>

  25. OR/MS Today
    Online version of the magazine for members of the Institute for Operations Research and the Management Sciences (INFORMS). Current and previous issues, with full text of many articles; subscription information; software surveys; classified ads and list ...more>>

  26. OR-Notes - J. E. Beasley
    Introductory originally used in an introductory OR course at Imperial College. Topics: Introductory (basic concepts); Deterministic (data envelopment analysis, facility layout and location, graph theory, integer programming, inventory control, just-in-time, ...more>>

  27. Orthocenter - Paul Kunkel
    What is significant about the orthocenter of a triangle? Why does it even have a name? This investigation was prepared for a geometry teachers' workshop. It includes a lesson handout in Word format and was written for use in a computer lab with the Geometer's ...more>>

  28. Oscience.info - Subash Chandra
    Introductions to limits and continuity, derivatives and antiderivatives, functions and graphs, matrices and determinants, properties of triangles, set theory, basic trigonometric formulae, and trigonometric functions and identities. See also Oscience's ...more>>

  29. Other Maths - Jon Perry
    Notes, applets, and proofs on a variety of open problems and conjectures: roots of x^p, highest power of 2 that divides ab + bc + ca, a prime product paradox, consecutive integers, (n + 1)!, Collatz, n-secting a line, the first lower digit, Fibonacci, ...more>>

  30. The OU Calculus I Problem Archive - Dept. of Mathematics, Oklahoma University (OU)
    Sample problems, with hints, answers, and "the grisly details": 1. Functions, calculus style; Graphs; Machine graphics; What is a function?; A field guide to elementary functions. 2. Amount functions and rate functions; The geometry of derivatives; The ...more>>

  31. The Oughtred Society - Oughtred
    An organization dedicated to the history and collection of slide rules. Meet William Oughtred, inventor of the modern slide rule; learn about the history and background of the Oughtred Society and its principles; join or renew membership; browse tables ...more>>

  32. Overcoming Greatness: The Decline and Recovery of British Mathematics in the Post-Newton Era - Robert Bruen; Harvard University
    An historical essay on Newton and Leibniz, British Progress, European Progress, and the story of the overthrow of Newton's notation at Cambridge. Includes a bibliography. ...more>>

  33. Overthinking My Teaching - Christopher Danielson
    Blog by a community college math teacher "interested in hard questions about teaching." Posts, which date back to July, 2009, have included "Wump hats," "An unnoticed rule for number language," "The end of word problems," "Cubeyness," "Cardinal and ordinal ...more>>

  34. An overview of Babylonian mathematics - MacTutor Math History Archives
    Linked essay exploring the arithmetic and geometry of the Babylonians, who lived in Mesopotamia, a fertile plain between the Tigris and Euphrates rivers. The Babylonian civilization replaced the Sumerian civilisation and the Akkadian civilisation; this ...more>>

  35. An overview of Egyptian mathematics - MacTutor Math History Archives
    Linked essay on the development of the Egyptian number systems, and the arithmetical methods they devised to work with their numerals. With references and other related web sites. ...more>>

  36. An overview of Indian mathematics - MacTutor Math History Archives
    Linked essay on the contributions of Indian mathematics, in particular the number system invented by the Indians, on which much of mathematical development has rested. With references and other related web sites. ...more>>

  37. Overview of "Mathematician's Secret Room" - Hisanori Mishima
    Challenges to unsolved problems in Number Theory, some translated into English from the Japanese. ...more>>

  38. Overview of the History of Mathematics - MacTutor Math History Archives
    Linked overview from the Babylonians through topics from the twentieth century, with additional sections on notation and communication, brilliant discoveries, how we view history, and a challenge, as well as a 700-item general bibliography. ...more>>

  39. Oxford University Press
    The world's largest university press, publishing 3,000 new books a year, including scholarly works in all academic disciplines, bibles, music, school and college textbooks, children's books, materials for teaching English as a second language, business ...more>>

  40. OzGrid Business Applications - Dave Hawley
    Focus on Microsoft Excel and Spreadsheet applications, with over 4000 pages (and growing) of information. Newsletter, most popular productgs, templates, books, question and answer forum. ...more>>

  41. Pacific Institute for the Mathematical Sciences (PIMS)
    A networked institute based in Alberta and British Columbia, Canada. Primarily dedicated to the support and advancement of mathematical science in Western Canada and the Pacific Rim, it maintains physical offices at the Universities of Alberta, British ...more>>

  42. Packomania - E. Specht
    The best known packings of equal circles in the unit square and the unit circle. Tables summarize the current status of the search. Figures may be downloaded in postscript format. Also available from http://hydra.nat.uni-magdeburg.de/packing/packing.html. ...more>>

  43. Pagina de Pedro Hugo Garcia Pelaez - Pedro Hugo Garcia Pelaez
    Pagina con diversas calculadoras fisicas y matematicas. Apuntes y links relacionados. Calculadoras: Programa de resolución de multiplicación de matrices hasta orden 6; Forma de Jordan; Calculadora de diagonalización; Calculadora de proyecciones; Calculadora ...more>>

  44. Paginedimatematica - Bruno Tomaino
    In Italian: Analisi, trigonometria, equazioni differenziali, test a risposta multipla. ...more>>

  45. Palindromic Numbers and Other Recreational Topics - Patrick De Geest
    Many odd facts about big (and little) numbers, including circular primes and palindromic triangulars, tetrahedrals, squares, cubes, and primes. Also assorted odd puzzles, etc. ...more>>

  46. Palindromic Primes - Ivars Peterson (MathTrek)
    Palindromic primes are whole numbers, evenly divisible only by themselves and 1, that also have the same sequence of digits read forward or backward... The current record for the largest known palindromic prime is held by Harvey Dubner, a retired electrical ...more>>

  47. Palisade
    Software for Excel, including @RISK, using Monte Carlo simulation, and PrecisionTree, for risk analysis, decision analysis, optimization, and forecasting. ...more>>

  48. PAM Electronic Discussion List (PAMnet) - Parker Ladwig and Thurston Miller (list owners)
    An electronic discussion forum for the discussion of library and information resource issues relevant to the fields of physics, astronomy and mathematics, maintained by the Physics-Astronomy-Mathematics (PAM) Division of the Special Libraries Association. ...more>>

  49. Panagiotis Stefanides
    Geometry presented at national conferences in Greece. Contents include: Quantization of Circle Duality; Logos Pyr Chronos; 'Buena Fortuna' (artwork); Geometric Mean Ratio (T) by Ruler and Compass; Quadrature Master Theorem; Corollary (Circle Circumference ...more>>

  50. Panitz cooperative learning and WAC web page and much more - Ted Panitz, Cape Cod Community College
    Workshops, articles, and other resources on cooperative learning and pedagogy. ...more>>

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