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  All Sites - 2030 items found, showing 551 to 600

  1. A Famous Infinite Series - Paul Trow
    Explains how the 18th century mathematician Leonhard Euler found the infinite sum of the reciprocals of the square integers. ...more>>

  2. FanGraphs
    Major and minor league baseball statistics and analysis, including graphs, splits, game logs, play logs, spray charts, plate discipline, PITCHf/x, strike zone heat maps, and more for every ballplayer and team. ...more>>

  3. Fashioning a World Brain - Ivars Peterson (MathLand)
    When Peterson read about a revolutionary means of storing and distributing information, he couldn't help thinking about the current explosion of activity in electronic publishing, the Internet, and the World Wide Web. But the words were actually written ...more>>

  4. Feature Column: Monthly Essays on Mathematical Topics - American Mathematical Society (AMS)
    Feature columns on new discoveries or interesting connections in mathematics, by David Austin, Bill Casselman, Joe Malkevitch, Tony Phillips, and Steven Weintraub. ...more>>

  5. Federal Statistical Office Germany
    The statistics department of the German government. Press releases; socio-economic data, with brief articles and key statistics; tables of recent economic figures; population data for other countries; the purchasing power of the deutschemark. Methodological ...more>>

  6. The Feeling of Power - Isaac Asimov
    Science fiction that explores a time when only computers know how to multiply. "...seven times three is twenty-one." "And how do you know that?" asked the congressman. "I just remember it. It's always twenty-one on the computer. I've checked it any number ...more>>

  7. Fermat Project Description - Hanson, Kaplan, Heng; Center for Innovative Computer Applications (CICA)
    Images, movies, videos, publications, presentations. An animation presents a popularized introduction to Fermat's Last Theorem. Three-dimensional mathematical depictions are used in the beginning of the film to illustrate the meaning of the mathematical ...more>>

  8. Fermat's Last Theorem - MacTutor Math History Archives
    Essay describing Fermat's theorem with links to mathematicians such as Sophie Germain, Legendre, Dirichlet, Shimura and Taniyama, etc., from its inception through Andrew Wiles' proof, with another web site and 17 references (books/articles). ...more>>

  9. Fermat's Little Theorem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A description with proof involving modular arithmetic, and related links. ...more>>

  10. A Few Aspects of Cryptology - David Hamer
    Read about cipher machines such as Enigma, Geheimschreiber, NEMA, SIGABA and others; visit the gallery showrooms of the Crypto Simulation Group (CSG), a group of historians and researchers in the field of cryptology; download sample simulators and published ...more>>

  11. Fibonacci at Random - Ivars Peterson - Science News Online
    In a book completed in 1202, mathematician Leonardo of Pisa (also known as Fibonacci) posed the following problem: How many pairs of rabbits will be produced in a year, beginning with a single pair, if every month each pair bears a new pair that becomes ...more>>

  12. Fibonacci Numbers and the Pascal Triangle - Radoslav Jovanovic
    Brief articles about Pascal's triangle, Fibonacci numbers, Lucas numbers, and the golden section, including the relations between Fibonacci numbers and Pascal's triangle, and Fibonacci numbers and the golden section. In English, German, or Serbian. ...more>>

  13. Fibonacci's Chinese Calendar - Ivars Peterson (MathTrek)
    In a book completed in 1202, mathematician Leonardo of Pisa (Fibonacci) posed the problem: How many pairs of rabbits will be produced in a year, beginning with a single pair, if every month each pair bears a new pair that becomes productive from the second ...more>>

  14. Field Extensions - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to field extensions. Mathematicians once spent time on a subject call the "Theory of equations," which was full of algorithms and the theory of polynomials and their roots. Nowadays this is the subject ...more>>

  15. A Field Guide to the Orbifolds (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    Tongue-in-cheek hints for learning how to classify the 17 types of symmetry patterns in the Euclidean plane. "...information presented in this section has been gleaned from a cryptic manuscript discovered among the personal papers of John Conway after ...more>>

  16. Field Theory and Polynomials - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to field theory and polynomials. Field theory looks at sets, such as the real number line, on which all the usual arithmetic properties hold, including, now, those of division. The study of multiple ...more>>

  17. The Fifth Taxicab Number is 48988659276962496 - David W. Wilson
    An article on the search for the smallest integer that can be expressed as a sum of two positive cubes in 5 distinct ways, up to order of summands. The nth taxicab number is the least number which can be expressed as a sum of two positive cubes in n distinct ...more>>

  18. Financial Noise - Ivars Peterson (MathTrek)
    The conventional view of stock markets and their behavior is that the price of a stock reflects all the information available on that stock. In this model, any variations in price would correspond to the arrival of new information. Some of that information ...more>>

  19. Finding Common Ground in K-12 Mathematics Education - Mathematical Association of America
    "Starting point" documents, designed to advance the discourse about how to improve K-12 mathematics teaching and learning, that emerged from MAA-convened pilot meetings between mathematicians and mathematics educators thought to be strongly aligned with ...more>>

  20. Finding the Center of a Circular Starting Line in an Ancient Greek Stadium - Rorres, Romano; SIAM Review
    A 1997 essay by Chris Rorres and David Gilman Romano, which presents and compares two methods for finding the center and radius of a circular starting line of a racetrack in an ancient Greek stadium. Graphs and tables are included. Introduction, Three-Points ...more>>

  21. The Finite Element Circus - Richard S. Falk, Rutgers University
    A regular conference devoted to the theory and applications of the finite element method, and related areas of numerical analysis and partial differential equations. Dates and locations, talks and poems, and a mailing list. ...more>>

  22. Finite Element Mesh Generation - Robert Schneiders
    Mesh generation is an interdisciplinary area within numerical analysis that includes mathematicians, computer scientists, and engineers from many disciplines. This page is intended to build a bridge between theory and applications. People and research ...more>>

  23. First Digits - Ivars Peterson (MathTrek)
    Take a look at a newspaper page listing stock market prices. You might think that each of the numbers from 1 to 9 would occur equally often among the first digits of all the listed prices. Instead, however, you're very likely to find that numbers starting ...more>>

  24. The Five Percent Solution - Keith Devlin (Devlin's Angle)
    "Mathematical disciplines such as statistics, optimization theory, probability theory, queuing theory, control theory, game theory, and operations research are all used routinely in making difficult choices in public policy, health, business, manufacturing, ...more>>

  25. Five Strategies for Integrating the Internet into the Curriculum - American Library Association (ALA)
    An essay organized into Strategy One: Use technology to teach information literacy; Strategy Two: Go on a webquest; Strategy Three: Teach students to use computer applications; Strategy Four: Join a telecollaborative project; and Strategy Five: Look at ...more>>

  26. FiveThirtyEight - Nate Silver, Editor in Chief
    Quantitative features, interactives, and "datalabs" on politics, economics, sports, and other topics by Silver, Carl Bialik, and others. Science posts have included "How Statisticians Could Help Find That Missing Plane," "Toilet Seat Covers: To Use or ...more>>

  27. Fixed Point Theory on the Web - M. A. Khamsi
    Fixed Point Theory and Applications sites; Mailing List; Conferences: previous and forthcoming; books on fixed point theory; other interesting sites on the Web; bibliography database; abstracts; papers on fixed point theory; general information. ...more>>

  28. Flight of the Bumblebee - Ivars Peterson (MathLand)
    How did proving that a bumblebee can't fly originate? Who started the story? It apparently first surfaced in Germany in the 1930s, and the story was about a prominent Swiss aerodynamicist. One evening, the researcher happened to be talking to a biologist ...more>>

  29. Fluid Mechanics, Chaos and Mixing - Julio M. Ottino, Chemical Engineering Dept., Northwestern University
    Research Interests of the Chaos and Mixing Group include: Granular Flows and Solid-Solid Mixing; Competition Between Chaos and Order; Liquid-Liquid Mixing; Mixing in 3-D Flows; Mixing in Cell Culture Systems; Solid-Liquid Mixing; and Geometric Aspects ...more>>

  30. Fluid Mechanics - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to fluid mechanics, which studies air, water, and other fluids in motion: compression, turbulence, diffusion, wave propagation, and so on. Mathematically this includes study of solutions of differential ...more>>

  31. Focus on Student Practice - Suzanne Alejandre
    Article about how students worked on the Problem of the Week (PoW) "Wooden Legs" in a way that developed the Common Core State Standards (CCSS) Mathematical Practice of "making sense of problems and persevering in solving them." This article, originally ...more>>

  32. Fold Everything - National Geographic Society
    See how paperfolding inspires the design of aircraft, stent grafts, and the packaging and transportation of telescope lenses in this overview of the history and future of origami. With downloadable instructions for folding a peacock, as well as an online ...more>>

  33. Folding Maps - Ivars Peterson (MathTrek)
    Erik D. Demaine of the computer science department at the University of Waterloo in Ontario and his coworkers have developed an efficient method for recognizing when a creased sheet is foldable into a flat package (results are reported in an unpublished ...more>>

  34. Following Benford's Law, or Looking Out for No.1 - Malcolm W. Browne; The New York Times Company
    An article from the New York Times on the Web: Dr. Theodore P. Hill asks his mathematics students at the Georgia Institute of Technology to go home and either flip a coin 200 times and record the results, or merely pretend to flip a coin and fake 200 ...more>>

  35. Food Counts (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
    You tear open a package of M&M's chocolate candies. Fifty-seven little candies spill out. You notice that certain colors are more common than others. You might count 7 brown, 17 red, 18 yellow, 6 green, 5 orange, and 4 blue candies in this bag. Does ...more>>

  36. Forget 'Back to Basics.' It's Time for 'Forward to (the New) Basics.' - Keith Devlin (Devlin's Angle)
    What is the best way to prepare our children for life in the twenty-first century? The first thing to realize is that the nation needs only 3 or 4 percent of the population to be highly skilled in mathematics. Of the remainder, hardly any will ever need ...more>>

  37. Formulas for fairness - Ivars Peterson - Science News Online
    Applying the math of cake cutting to conflict resolution: researchers turn to the mathematics of cake cutting and point allocation to develop improved methods for people to use to settle disputes. ...more>>

  38. Forum of Geometric Constructor - Yasuyuki Iijima, Aichi University of Education, Japan
    A dynamic geometry environment for DOS and Windows used in Japan - see the Tsukuba Journal of Educational Study in Mathematics. ...more>>

  39. Foundations of Greek Geometry - Michael Tirabassi; Tufts University
    A linked historical essay outlining the contributions of Thales, Pythagoras, and Plato to the study of geometry. ...more>>

  40. The Four Color Theorem - Robertson, Sanders, Seymour, Thomas; Georgia Tech
    A brief summary of a new proof of the Four Color Theorem, with a four-coloring algorithm found by Neil Robertson, Daniel P. Sanders, Paul Seymour and Robin Thomas, illustrated using a map of the United States. Contents: History; Why a new proof?; Outline ...more>>

  41. The Four Colour Theorem - MacTutor Math History Archives
    Linked essay describing work on the theorem from its posing in 1852 through its solution in 1976, with two other web sites and 9 references (books/articles). ...more>>

  42. Four Construction Problems - Cut the Knot!, Alexander Bogomolny
    Construct a triangle, given the three points in the plane that are the outer vertices of equilateral triangles constructed outward on the sides of the desired triangle. Construct a triangle, given the three points in the plane that are the centers of ...more>>

  43. Four Corners, Four Faces (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
    To Arthur Silverman, a sculptor in New Orleans, tetrahedrons, or triangular pyramids, are very special. He's been creating sculptures based on the tetrahedron for more than 20 years. You might see examples on display in plazas and office buildings in ...more>>

  44. Fourier Analysis - Dave Rusin; The Mathematical Atlas
    A short article designed to provide an introduction to Fourier analysis, which studies approximations and decompositions of functions using trigonometric polynomials. Of incalculable value in many applications of analysis, this field has grown to include ...more>>

  45. Fractal Clouds - Robert F. Cahalan
    Information on the fantastic variety of cloud forms and structures, and their implications for climate. Albedo (abstract of a short technical paper for downloading); authors of papers on fractal clouds; cloud types and associated geometry, processes, ...more>>

  46. Fractal Dimension - Robert L. Devaney; Dept. of Mathematics, Boston University
    A section from the paper "Chaos in the Classroom," describing the concept of fractal dimension, using the Sierpinski triangle as an example. ...more>>

  47. Fractal Expressionism - Richard Taylor, Adam P. Micolich and David Jonas
    Can science further our understanding of art? An article discussing the connection between fractals and Jackson Pollock's paintings. ...more>>

  48. Fractal Geometry - Introduction - Harold Brochmann
    Links to a series of articles exploring: The notion of dimension; The notion of self-similarity; The length of a coastline; The Sierpinsky Carpet; The Mandelbrot Set - the icon of chaos; and Applications of Fractal Geometry. ...more>>

  49. Fractal Metaphysics Home Page - Christopher Sunami
    A clearinghouse of (serious) materials on the web focused on the relationship between fractal geometry, chaos theory, and metaphysics. Essays, related sites, galleries, and recommended reading. ...more>>

  50. Fractal Music: Research, Publications, and Compositions by Harlan Brothers - Harlan J. Brothers
    In 2003, Benoit Mandelbrot suggested to Harlan Brothers that he undertake a rigorous treatment of the subject of fractal music. Here is an overview of Brothers’ subsequent research, including papers, definitions, and examples. ...more>>


 
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