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  All Sites - 2030 items found, showing 1601 to 1650

  1. RichLanza.com - Richard B. Lanza
    ACL, Digital Analaysis, Benford's Law, DATAS, DATAS for ACL, DATAS for IDEA, DATAS for Excel, articles and book reviews on project management, audit software, digital analysis®, Benford's law, risk management, and more. ...more>>

  2. Rick Durrett's Home Page - Rick Durrett
    Research in the general area of probability theory, and more specifically in stochastic spatial models and their applications to ecology and genetics. Publications organized into books and papers, as well as s3 (stochastic spatial simulator) and stochastic ...more>>

  3. Riding on Square Wheels - Ivars Peterson (MathTrek)
    A square wheel may be the ultimate flat tire. There's no way it can roll over a flat, smooth road without a sequence of jarring bumps. However, a square wheel can roll smoothly, keeping the axle moving in a straight line and at a constant velocity, if ...more>>

  4. The Rise of Calculus - MacTutor Math History Archives
    Linked essay describing the history of Calculus from the Greeks through Newton and Leibniz, with 28 references (books/articles). ...more>>

  5. RiskLab Toronto
    One of an international network of math laboratories in the field of risk modelling. Originally intended to model financial risk, the field has grown to encompass a number of other areas. Site provides summaries of the lab's research (including ...more>>

  6. Rob Barry's Website
    Recent stories by The Wall Street Journal investigative reporter who specializes in computer-assisted reporting, which he describes as "the practice of wrestling large sets of data into compelling narratives." Barry's articles have ranged from insider ...more>>

  7. Robbins Algebras are Boolean - William McCune, Automated Deduction Group, Argonne National Laboratory
    The Robbins problem - are all Robbins algebras Boolean? - has been solved: Every Robbins algebra is Boolean. This theorem was proved automatically by EQP, a theorem proving program developed at Argonne National Laboratory. Information on the solution; ...more>>

  8. Robert Abbott's Mazes - Robert Abbott
    Two very difficult puzzles programmed by Oriel Maxime and based on mazes in Abbott's books: the Sliding Door Maze, and Theseus and the Minotaur. Also a collection of reviews of the books SuperMazes and Mad Mazes, with more puzzles (but nothing interactive), ...more>>

  9. Roberto Tamassia's Home Page
    Home page of a Professor in the Dept. of Computer Science at Brown University. Curriculum Vitae, recent papers, teaching, books (interests include graph drawing, data structures, computational geometry). ...more>>

  10. Robotic Navigation with Constraints - J. A. Sethian
    A paper and movie on robotic navigation. Finding the Shortest Path: The equation that describes the arrival time of this expanding front as it depends on the possible speed at any point and direction is the Eikonal equation. The fast marching method is ...more>>

  11. Rock-and-Roll Bridge - Ivars Peterson (MathTrek)
    Startling scenes of rippling pavement, featured in a classic film that captured the 1940 destruction of the Tacoma Narrows suspension bridge in Washington state, rank among the most dramatic and widely known images in science and engineering. This old ...more>>

  12. The Role of Calculators in Math Education - Heidi Pomerantz, Bert Waits for USI/CPMSA
    This PDF article outlines the benefits of calculator use in mathematics classrooms from kindergarten through the university level, describing how calculators, when used appropriately, can be a tool for learning mathematics. The document has six sections: ...more>>

  13. The Role of Examples in Learning Mathematics - Annie and John Selden; Mathematical Association of America
    "Examining examples and non-examples can help students understand definitions.... Is the provision of examples always desirable? Would it perhaps be better to ask undergraduate students to provide their own examples and non-examples? Would they be able ...more>>

  14. Roles of calculators in the classroom - Pedro Gómez and Bert Waits
    The site contains the extended papers of the conferences presented in the Topic Group 18 of the International Congress of Mathematics Education held in Seville in July, 1996. Papers are presented both as web pages and as PDF files. ...more>>

  15. The Roles of Interest and Mathematical Beliefs in Preservice Teachers' Learning to Mentor Online [PDF] - Ray & Renninger
    Paper presented as part of a symposium, American Educational Research Association, Chicago, IL. A study of preservice teachers working with the Math Forum's Online Mentoring Guide. ...more>>

  16. Rolling a Die Until Every Face Has Appeared (Math Chat) - Frank Morgan, MAA Online
    How many times do you think you need to roll a normal die to be 90% sure that each of the six faces has appeared at least once? Why? Answer: It takes 23 rolls, as Al Zimmerman discovered in a computer experiment rolling 5000 dice until 90% of them had ...more>>

  17. Rolling with Reuleaux - Ivars Peterson (MathLand)
    Why is the cover of a manhole round? The usual answer is that a circular lid, unlike a square or hexagonal cover, won't fall through the opening. The circle works because it has a constant width, defined as the distance between a pair of parallel lines ...more>>

  18. A Romance With Numbers - K. Venkatasubramanian
    Biographical information and thoughts about Srinivasa Ramanujan, from The Hindu, December 24, 1993. ...more>>

  19. Ronald Brown's Home Page - Ronald Brown, Department of Mathematics, University of Wales, Bangor (UK)
    An explanatory paper on higher dimensional group theory; Brown's publications list; preprints/reprints (PostScript); articles on popularisation and teaching, such as "What is mathematics?" and "What should be the output of mathematical education?"; course ...more>>

  20. Ross Geoghegan
    A mathematician at the State University of New York at Binghamton interested in topology, geometric group theory, fixed point theory, and dynamics. Curriculum vitae and list of publications (some articles and preprints may be downloaded in PostScript ...more>>

  21. ROSSMANCHANCE.COM - Allan J. Rossman & Beth L. Chance
    Workshops and presentations, publications, and current projects by the authors of the Workshop Mathematics Project textbooks. See tables of contents, instructor guides, sample syllabi and exams, and answers to activities from books in the Workshop Statistics ...more>>

  22. Rough math: Focusing on rogue waves at sea - Ivars Peterson - Science News Online
    Ocean currents and large fields of random eddies can focus a steady ocean swell to create unusually large waves. A current or eddy field acts like an optical lens to focus the wave action, says applied mathematician Bengt Fornberg of the University of ...more>>

  23. Row Your Boat - Ivars Peterson (MathTrek)
    Although a rowing shell with eight rowers is much larger than one with a single rower, all shells have roughly the same proportions (at least for the surface area over which the shell makes contact with water). Data from 2000-meter world and Olympic championship ...more>>

  24. Sabermetrics - The Baseball Archive
    "The search for objective knowledge about baseball." Read a primer of Bill James' findings, or David Grabiner's manifesto on Sabermetrics. Studies address minor league equivalencies ("Are minor league stats a good precictor of major league performance?"), ...more>>

  25. Sabernomics: Economic Thinking about Baseball - John-Charles Bradbury
    A blog on the economics in, and of, the game of baseball. Original tools and studies includes salary estimators, research on age and hitting and pitching, anti-trust and Major League Baseball, attendance and winning, Barry Bonds and walks, competition ...more>>

  26. SABER - The World Bank Group
    An open data tool that provides comparative data on education policies around the world. The Systems Approach for Better Education Results (SABER) web tool aims to help countries collect and analyze information on their education policies, benchmark themselves ...more>>

  27. Sampling and the Census - Ivars Peterson - Science News Online
    Despite strong support from statisticians, the Census Bureau's plan to increase the use of sampling in the next census has met resistance in Congress. ...more>>

  28. Samuel Arbesman
    Research and writings by the author of The Half-Life of Facts. As an applied mathematician and network scientist, Arbesman's delves into the science of science, nature of productivity and prosocial behavior within cities, the structure and function of ...more>>

  29. The Sands of Time - Troy Jones
    The author uses ridges in piles of salt to model geometric concepts. This page features an article (PDF format), PowerPoint presentation, Geometer's Sketchpad file, and textbook reference for a classroom exploration of such concepts. ...more>>

  30. Sangaku, Japanese Temple Geometry - Tony Rothman, Princeton University
    For centuries in Buddhist and Shinto shrines, Japanese have hung wooden tablets containing mathematical problems. Read PDF or PS downloads of a tutorial on the inversion method for solving Sangaku, or of the article "Japanese Temple Geometry," which first ...more>>

  31. Sangaku: Reflections on the Phenomenon - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A collection of sangaku problems with Java simulations and complete solutions, preceded by an introductory article that promotes an unorthodox view point on the wonderful phenomenon of Temple Geometry. ...more>>

  32. The Saqquara Ostrakon - A. D. Conner
    An article with background history and a new analysis: A unique 3rd Dynasty (~2600 B.C.) Egyptian artefact thought to be an architect's drawing has heen re-evaluated by the author and the geometry reveals surprising results. ...more>>

  33. Sara Billey
    Sara Billey researches combinatorics, algebra, Lie theory, algebraic geometry and probability. Her papers on these topics may be downloaded in PostScript or gzipped PostScript format. The syllabi and problem sets for her undergraduate courses, i.e. ...more>>

  34. Sarah Glaz
    Teaching, research, books, and articles by the algebraist, ring theorist, and poet. See, in particular, the math poems of undergraduate students and Glaz's own poetry, which includes "Mathematical Modeling," "A Pantoum for the Power of Theorems," "I am ...more>>

  35. The SAT: Aptitude or Demographics? - Glenn Elert
    A paper discussing the SAT's validity, coachability, biases, and implications, especially with respect to race and socioeconomic status. ...more>>

  36. Scales of Measurement - Niel Brandt
    An extensive list of physical and mathematical events and objects in ascending values and orders of magnitude. ...more>>

  37. Scaling Up Innovative Practices in Mathematics and Science - Carpenter et al.
    Download a PDF of a research report that clarifies the meaning of the phrase "learning with understanding," describes the nature of successful professional development, and outlines how to scale successful practices. The research by Thomas P. Carpenter, ...more>>

  38. Scheduling Random Walks - Ivars Peterson (MathTrek)
    Among networked computers, some sort of software scheduler must regulate data flow, but proving that a given scheduler not only prevents conflicts but also performs its duties efficiently can be surprisingly difficult. Computer scientists have found that ...more>>

  39. School Wise Press
    California publishers of school profiles for use in choosing schools for your children. The site also provides: education-oriented news, articles, and books; online school comparisons; an ask-an-expert service with a parent advocate; and editorial responses ...more>>

  40. Schroedinger's Cash Register - Oliver Baker - Science News Online
    A discussion of the application of physics (particle physics, quantum theory, and statistical mechanics) to finance theory, with econophysicists attempting to break ground in Wall Street, and the possible underlying mathematical structure of market behavior. ...more>>

  41. Science Access Project - Oregon State University
    A group dedicated to developing methods for making science, math, and engineering information accessible to people with print disabilities. Includes braille representations of mathematical notation, and other resources for blind students. ...more>>

  42. Science and Mathematics Education: Similarities and Differences - Lynn Arthur Steen; St. Olaf College
    Lynn Steen writes on the similarities and differences between the NCTM Standards and those of the National Research Council. Intellectually, the two communities agree on virtually all comparable aspects of their respective standards. But the nature of ...more>>

  43. Science Daily: Research Shows Homework Does Boost Academic Achievement; but Overemphasizing Grades and Performance May Lead to Cheating - American Psychological Association
    This article, from the ScienceDaily Magazine site, describes an investigation into the effect of homework and grade emphasis on academic achievement of students and self-reported rates of cheating. ...more>>

  44. Science, Engineering, and Technology for Youth - eXtension
    Lessons, news, articles, answers from experts, a glossary, and other science resources for young people. See especially Math in Child Care, which organizes suggestions for developing children's mathematical foundations into topics such as one-to-one correspondence ...more>>

  45. Science News for Kids - Science Service
    Science articles written for kids, along with activities for kids to try on their own and ways for kids to comment, ask questions, or submit their own work through the site. Also includes: brain teasers and Java-based games; science fiction discussions ...more>>

  46. Scientific American
    The online version of the technology magazine, with interlinked articles, interviews with scientists, Ask the Experts, and Explorations, guided tours across the Web of recent technological developments. An archive of past articles is included. ...more>>

  47. Scientific Surfing for Children - Mike May, American Scientist
    An early article about the World Wide Web by Mike May in the November-December issue of American Scientist, pp. 568-571, discusses the world of scientific information and activities on the Internet, and forums in which professional scientists are waiting ...more>>

  48. ScottBeall.com - Scott Beall
    Professional development programs for mathematics teaching and interdisciplinary curricula, emphasizing the integration of music and mathematics. With examples from his recent publication Functional Melodies - Finding Mathematical Relationships in Music ...more>>

  49. Scrambled Grids - Ivars Peterson (MathTrek)
    The so-called baker's map, or transformation, in dynamical systems theory. One special case: Start with a square. Stretch it to twice its original length while making it half as wide. Cut the result in half, and stack one half on top of the other to ...more>>

  50. Sculpture Generator - Ivars Peterson (MathTrek)
    "Judging what a sculpture will look like after it is finished can present many difficulties for an artist just beginning a piece... Computer scientist Carlo Séquin of the University of California, Berkeley, specializes in the computer-assisted ...more>>


 
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