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  All Sites - 6880 items found, showing 1801 to 1850

  1. 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>>

  2. 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>>

  3. Fermat's Last Theorem - David Shay
    Site contents: The birth of the problem; Proofs for special cases; First steps in general proofs; The computer enters the picture; Is there a proof at all?; There are bigger problems; There are failures too; Taniyama-Shimura conjecture; Here is the proof!; ...more>>

  4. Fermat's Last Theorem (FLT) - Math Forum, Ask Dr. Math FAQ
    What is the current status of Fermat's Last Theorem? ...more>>

  5. 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>>

  6. Fermat's Last Theorem Poetry Challenge - Jeremy Teitelbaum
    The proof of Fermat's last theorem by Andrew Wiles and Richard Taylor was presented to an audience of over 300 people during a ten-day conference at Boston University in August, 1995. At that conference, Jeremy Teitelbaum issued a poetry challenge asking ...more>>

  7. Fermat's room - Javier Martín
    Solve puzzles playing this Java math adventure game, also available in Spanish. Based on a film by the same name. ...more>>

  8. FermiEffect.com - Alice Caton
    Links to biographies of Enrico Fermi and his granddaughters, computers and chaos theory, Fermi questions, and the Fermi paradox. ...more>>

  9. Fermilab Education Office
    Online explorations for students and teachers, plus information about field trips to Fermilab, student collaborations with Fermilab, student and teacher workshops, and links to other math and science education resources. ...more>>

  10. Fermi Questions - Sheila Talamo
    Fermi questions emphasize estimation, numerical reasoning, communicating in mathematics, and questioning skills. Students often believe that "word problems" have one exact answer and that the answer is derived in a unique manner. Fermi questions encourage ...more>>

  11. Ferris Wheel - Jim King, University of Washington
    Physical devices can be modeled using dynamic geometry. A vital tool for moving objects around in the model are the isometries, or distance-preserving transformations. This model of a Ferris wheel provides a good example. A step-by-step description of ...more>>

  12. 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>>

  13. FFTW - Matteo Frigo and Steven G. Johnson
    FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real and complex data. Download FFTW; read about its features; subscribe to its mailing list for announcements. ...more>>

  14. 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>>

  15. Fibonacci - James Grant
    Pages about Fibonacci the mathematician, the sequence that bears his name and its relationship to the Golden Ratio, as well as how the Fibonacci numbers occur in nature. ...more>>

  16. Fibonacci Numbers and Nature - Ron Knott
    Fibonacci and his original problem about rabbits that gave the series its name; the family trees of bees; the golden ratio and the Fibonacci series; the Fibonacci Spiral and sea shell shapes; branching plants; flower petal and seed-heads; and the leaf ...more>>

  17. Fibonacci Numbers and the Golden Section - Ron Knott
    Information about the Fibonacci series, including a brief biography of Fibonacci, the numerical properties of the series, and the ways it is manifested in nature. Fibonacci numbers are closely related to the golden ratio (also known as the golden mean, ...more>>

  18. 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>>

  19. The Fibonacci Numbers - David Schweizer; Math Department, College of the Holy Cross
    A directory of material related to the Fibonacci numbers. Math material - the Fibonacci numbers' appearance in the Mandelbrot set; the first 500 Fibonacci numbers in blocks of 100; factorizations; Web resources. ...more>>

  20. The Fibonacci Numbers, Pineapples, Sunflowers, and the Golden Mean - Don Cohen (The Mathman)
    Mathematics from a Pineapple: Infinite sequences, limit of a sequence, ratios, fractions, and decimals. Also Looking at a Regular Pentagon. Sample problems with some answers from Chapter 7 of Don Cohen's worksheet book. ...more>>

  21. The Fibonacci numbers - Ron Knott
    The Fibonacci series; The first 100 Fibonacci numbers, completely factorised .. and, if you want more ... Fibonacci numbers 101-300 and 301-500 (not factorised). ...more>>

  22. A Fibonacci Primer (SMILE) - Larry Freeman, Kenwood Academy
    A lesson designed to challenge teachers and students to discover and prove some interesting properties of the Fibonacci sequence and its unexpected relation to the geometry of the regular pentagon and the theory of limits. From the Recreational and ...more>>

  23. Fibonacci Rabbit Sequence - Ron Knott
    One way to look at Fibonacci's Rabbits problem gives an infinitely long sequence of 1s and 0s, the Fibonacci Rabbit sequence: 1 0 1 1 0 1 0 1 1 0 1 1 0 ..., also called the Golden string or Golden sequence since it is a close relative of the number Phi, ...more>>

  24. 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>>

  25. The Fibonacci Series - Matt Anderson, Jeffrey Frazier, and Kris Popendorf; ThinkQuest 1999
    The Fibonacci Series is deceptively simple, but its ramifications and applications are many. Learn more about the Fibonacci Series itself: an introduction, the rabbit problem, Binet's formula, the successor formula (given only one term in the Fibonacci ...more>>

  26. Field Guide to Functions (Web Study Guide) - Oregon State University (OSU) Math Department
    This field guide contains a quick look at the functions commonly encountered in single variable calculus, with exercises for each topic: linear, polynomial, power, rational, exponential, logarithmic, trigonometric, and piecewise functions. Also algebraic ...more>>

  27. 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>>

  28. Fifth-Grade Empathy ... For Plants - William E. Ray; Kodak
    Children were introduced to this project by taking them outside Pinoak Elementary School, Oil City, PA, in March and having each pair of them select a living plant specimen. Buds were noticed as being a part of each plant and were the plant parts which ...more>>

  29. Figure Five Frenzy - ridiculopathy.com
    Create an arithmetic expression equal to the target number using the four basic operations, grouping parentheses, and the five number cards dealt to you. Play in arcade (against a timer), multi-player, or solitaire modes. Requires the Flash plug-in. ...more>>

  30. Figures and polygons - Mark Motyka, Math League Multimedia
    Definitions and illustrations: Polygon; Regular polygon; Vertex; Triangle; Equilateral triangle; Isosceles triangle; Scalene triangle; Acute triangle; Obtuse triangle; Right triangle; Quadrilateral; Rectangle; Square; Parallelogram; Rhombus; Trapezoid; ...more>>

  31. Fill-It-In Outline Mathematics - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A collection of outline solutions to various problems: word and logic problems, problems from arithmetic, number theory and geometry. Solutions are practically complete with a few essential pieces omitted and to be filled in by the student. ...more>>

  32. Filmer V2.0 - A program for creating fractal animation - Julian Haight
    Filmer is a front-end program for Fractint (for DOS/Windows) that generates fractal animations. Fractint is a program for calculating still fractal images (you need Fractint installed to use Filmer). Filmer uses Fractint parameter (.par) files to specify ...more>>

  33. Financial Calculators - Fair Isaac Corporation
    Calculators to help you make decisions about borrowing money, debt pay off and savings; organized into mortgages, autos, loans, debit and credit cards, savings, personal finances, investments, and retirement planning. For example, use the loan savings ...more>>

  34. Financial Education - EverFi
    Makers of interactive financial literacy learning and gaming platforms such as Vault, Everfi, and Buttonwood. ...more>>

  35. Financial Literacy Math Quizzes - HowToSaveMoney.me
    Quizzes for practicing addition and subtraction of dollar and coin amounts, presented with pictures of US currency or as numerical expressions. "Grade My Quiz" or generate new problems with the click of a button. The site also offers finance calculators, ...more>>

  36. 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>>

  37. Financing Retirement Payments in the Future in Austria: Some Scenarios - Erich Neuwirth
    An interactive spreadsheet to download for studying the effects of changing the retirement age. (Microsoft Excel 5.0 or higher must be installed on your computer.) The key number for judging the financiability of a retirement payment system is the ratio ...more>>

  38. Finanzierungsrechner
    Online calculation tools to perform financial calculations such as IRR, NPV, and annual interest rates. ...more>>

  39. 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>>

  40. Finding the Center of a Circle - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about finding the center of a circle using a ruler and compass, or given its radius and two points on its circumference, or given three points on its circumference, or given its equation. ...more>>

  41. 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>>

  42. Finding the Smallest Triangle - Jim Parks
    A script for finding the triangle of minimum perimeter inscribed in a given triangle. ...more>>

  43. Finding the Sum of the Exterior and Interior Angles of a Polygon (SMILE) - David Drymiller, Morgan Park High School
    A geometry lesson designed to teach students to find the sum of the interior angles and the sum of the exterior angles of any polygon; review linear measurement to the nearest sixteenth of an inch and angle measurement to the nearest degree; and construct ...more>>

  44. Finding the Value of Pi - Isaac Reed
    Throughout the history of civilization various mathematicians have been concerned with discovering the value of and different expressions for the ratio of the circumference of a circle to its diameter. ...more>>

  45. Find OpenCourseWare with OCW Search - Pierre Far
    An independent search engine that indexes all the course materials published freely online by universities that participate in the OpenCourseWare (OCW) initiative, including the Massachusetts Institute of Technology (MIT) and Stanford University. Search ...more>>

  46. Find the Prime Factors of a Number - Washington University Mathematics Dept., St. Louis, MO
    A prime number is any number with no divisors other than itself and 1, such as 2 and 11. Any number can be written as a product of prime numbers in a unique way (except for the order). Enter a number (with a maximum of 9 digits), and the form will return ...more>>

  47. Finite Mathematics & Applied Calculus Resource Page - Waner, Costenoble; Hofstra University
    Online interactive tutorials - Algebra Review, Finite Mathematics, and Calculus - based on Finite Mathematics Applied to the Real World, Calculus Applied to the Real World, and Finite Mathematics and Calculus Applied to the Real World. Topic Summaries; ...more>>

  48. FI Projects and Activities (Freudenthal Institute) - Utrecht University, the Netherlands
    The FI is the National Expertise Center for Mathematics Education in primary and secondary education. This page provides a list of FI projects and activities, with links to more information. Sample subjects: Spherical geometry; Technology, mathematics, ...more>>

  49. FirefighterMath - Dan Jimenez, United States Department of Agriculture (USDA) Forest Service
    This self-paced math course refreshes firefighters' knowledge of basic math concepts and tools necessary for making math calculations in the field. Topics include calculating tank volumes and flow rates, determining pump pressure and friction loss, understanding ...more>>

  50. The First 10,000 Primes - Chris Caldwell; Dept. of Mathematics & Computer Science, Univ. of Tennessee at Martin
    The first 10,000 prime numbers, in a table. ...more>>


 
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