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  All Sites - 1695 items found, showing 401 to 450

  1. Exploring Emergence - Resnick, Silverman; Epistemology and Learning Group, Massachusetts Institute of Technology (MIT)
    An active essay that uses Java applets to explore the idea of emergence, examining how objects and patterns can arise from simple interactions in ways that are surprising and counter-intuitive. Examples with simple squares that turn on and off and give ...more>>

  2. Exploring Geometric Solids and Their Properties (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation. Investigating and then reasoning about the relationships within and between three-dimensional shapes is important for students in grades 3-5 as they continue to develop understanding about geometry ...more>>

  3. Exploring Histograms (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation. A histogram is a standard way of representing a collection of data. The interactive tool contained in this i-Math investigation allows students to create their own sets of data and examine how various ...more>>

  4. Exploring Parabolas (JavaSketchpad) (MSTE) - James P. Dildine; University of Illinois at Urbana-Champaign (UIUC)
    Directions and descriptions for creating and simulating the creation of a parabola. The creation takes place within a Java Window in the browser and allows the user to interact with the sketch of a parabola he or she creates. The page includes tips and ...more>>

  5. The Eyeballing Game - Matthias Wandel
    Test your ability to "eye up" geometric figures with this timed Flash challenge. First consult the help documentation to correctly calibrate your monitor resolution and aspect ratio; then click and drag the blue ray or point to accurately construct the ...more>>

  6. Eye Opener Series - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A collection of Java applets that illustrate and thus help to solve or prove various math problems: Euclid's Proof of the Pythagorean Theorem; Construction problem; Disappearing Lines puzzle; Sam Loyd's fifteen; Sliders puzzle; Lucky 7 puzzle; Happy 8 ...more>>

  7. FactMonster: 2006 Winter Olympics - FactMonster.com; the Learning Network
    The Fact Monster site, created as part of Information Please from Pearson Education, offers a variety of interesting links for the Winter Olympics in Torino, Italy, taking place February 10 - 26. The site includes olympic history, sports previews, a timeline, ...more>>

  8. FactMonster: Math - FactMonster.com; the Learning Network
    Almanac of information on numbers, measurement, tables and formulas, and money; with special features and online games and quizzes. ...more>>

  9. Factoids - Susan Stepney
    An "uneven collection of facts, quotations, and other miscellaneous scraps, that don't naturally fit anywhere else," listed alphabetically from abstract data type to zeldagon and zeugma, including figures of speech, inheritance (in classes), laws, prime ...more>>

  10. The Factor Game (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation. The Factor Game engages students in a friendly contest in which winning strategies involve distinguishing between numbers with many factors and numbers with few factors. Students are then guided through ...more>>

  11. Factorization using the Elliptic Curve Method - Dario Alejandro Alpern
    A Java applet that factors numbers up to 1000 digits long, outputting their number of divisors, sum of divisors, Euler's totient, Moebius number, and sum of squares. Also accepts numerical expressions. ...more>>

  12. Fagnano's Problem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    An interactive discussion of H. A. Schwarz's and L. Fejér's solutions to Fagnano's problem: inscribe in a given acute-angle triangle the triangle of a minimum perimeter. ...more>>

  13. Fahrenheit to Celsius - Jim Loy
    Ways to convert: two equations, two unknowns. ...more>>

  14. The Fair Division Calculator - Francis Su
    An interactive Java applet designed to help you determine how to divide among n people: a desirable object (such as a cake); an undesirable object (such as a set of chores); or a set of indivisible objects (rooms, desirable) with payments (rent, undesirable). ...more>>

  15. Famdays
    A famday is a day on which the combined ages of family members add up to a whole number of years - in a sense, a family birthday, a reason for a celebration that contributes to strengthening family ties. Students can compute famdays for their families ...more>>

  16. Famous Curves Applet Index - MacTutor Math History Archive
    From Astroid, Cardiod, Catenary, and Cayley's Sextic to the Trisectrix of Maclaurin, Tschirnhaus' Cubic, Watt's Curve, the Witch of Agnesi - and many more - click on the name of a curve to experiment with some of its associated curves. (Your browser ...more>>

  17. Famous Curves Index - MacTutor Math History Archive
    Links to pages illustrating more than 60 mathematical curves, with information on their history and associated curves. Anyone with the Mathematical MacTutor system or a Java-enabled browser can investigate these curves and their associated curves interactively. ...more>>

  18. 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>>

  19. Fantastic Fractals - ThinkQuest 1997
    All about fractals: including: fully interactive fractal tutorials, a gallery, landscapes, music, a reference desk and types of fractals, downloads, a fractal workshop (build your own fractals), a fractal challenge (test yourself - how much have you learned ...more>>

  20. Fantasy Stock Market Game - Young Money Magazine
    Students invest $10,000 in "fantasy" cash and compete against other students to build an investing portfolio. Game is free with free web site sign-up, contests run for 30 days and for each period an investor starter kit is awarded to the top player, plus ...more>>

  21. Farmer and Wife to Catch Rooster and Hen: Sam Loyd's Puzzle - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    An entertaining Java implementation of a puzzle by Sam Loyd. A farmer and his wife try to catch a hen and a rooster. A good exercise in taxicab geometry. ...more>>

  22. Fast Arithmetic Tips - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    Specific tips for three broad categories of rapid math: offensive (for the purpose of getting a result fast), defensive (for the purpose of discounting a result fast), or entertaining (for stunning your friends with math magic!). The entertaining category ...more>>

  23. Faster-Than-Light Math!
    Free animated 3D math videos in algebra, geometry, trigonometry, word problems on related rates, and more. Faster-Than-Light (FTL) Math tailors courses or tutoring sequences based on student needs and math skill levels. It guarantees improvements on SAT ...more>>

  24. Fast Marching Methods and Level Set Methods - J. A. Sethian, University of California-Berkeley
    Fast Marching Methods and Level Set Methods are numerical techniques that can follow the evolution of interfaces. These interfaces can develop sharp corners, break apart, and merge together. The techniques have a wide range of applications, including ...more>>

  25. A Faulty Dissection - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A deceptive dissection implemented in Java. Two different rearrangements of the same four plane pieces result in rectangles of different area. A very entertaining introduction into the subject of Fibonacci numbers. ...more>>

  26. fb-Web-Tutor: Online Nachhilfe in Mathematik - fbWebTutor
    Download video tutorials on mathematics, information and book reviews--all in German. ...more>>

  27. 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>>

  28. FFT Spectrum Analyser Demo applet - Iain Robin
    A Java applet that demonstrates the use of the Fast Fourier Transform (FFT) to determine the frequency spectrum of a discrete signal (time series). ...more>>

  29. Fido Dido Puzzle - Digital Creative Communications
    "Want to let me read your mind?" A Flash game in which Fido Dido asks you for clues as he figures out the random number you have chosen. ...more>>

  30. 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>>

  31. Figure This! Math Challenges for Families - National Council of Teachers of Mathematics (NCTM)
    Elementary-level problems with hints, information about when and why answers matter in the real world, suggestions for getting started, and answers with explanations. A Challenge Index lists problems by topic. Examples include: Line Up! (How long do you ...more>>

  32. 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>>

  33. 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>>

  34. 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>>

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

  36. 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>>

  37. Fit Brains Brain Games - Vivity Labs, Inc.
    Fit Brains offers games to improve your brain health. Free registration required. ...more>>

  38. Fixed-point arithmetic: multiplication - Paul Molitor; Universitat Hälle
    A collection of Java applets, each showing a different method of fixed-point multiplication: Binary representation, the Schoolmethod, Booth's algorithm, and Parallel multiplication, written for a course in Computer Science ('Computer Arithmetic'). After ...more>>

  39. Flash Activities - Quincy Brown
    Quincy Brown, a Post Baccalaureate PhD candidate in Computer Science at Drexel University, shares these Flash Activities that she developed with Annie Fetter, Math Forum staffer, and tested in a second grade classroom in Philadelphia. The five levels ...more>>

  40. Flashcards (A+ Math)
    Java and non-Java homework-helper flashcards for practicing: Java (with answers and with or without sound): addition, subtraction, multiplication, division, square roots, and rounding; non-Java: addition, subtraction, multiplication, division, order of ...more>>

  41. Flashcards for Kids - Education 4 Kids, Inc.
    This customizable online application creates flashcards for drilling in addition, subtraction, multiplication, division, and addition and subtraction together, in simple or complex forms (only two numbers, or up to ten numbers), with choice of numbers ...more>>

  42. Flash Demos for Understanding Statistics - G. Donald Allen, Texas A&M University
    Dynamic demonstrations to help foster an understanding of the graphing and variance for data sets. Create a histogram and show the variance; show the mean, variance, and correlation of self-selected data points; understand variance by creating data sets; ...more>>

  43. Flash Games - ATK Solutions, Inc.
    Flash applets and games include rotating 3d cube; mind boggle square, which challenges you to slide a square across a surface by sliding other quadrilaterals into the unoccupied spaces; Futoshiki, which involves positioning counting numbers on a grid ...more>>

  44. Flash Pegs - CleverMedia
    Jump a peg over its adjacent neighbors to eliminate them until only one remains in this online version of the classic logic puzzle. Choose from nine starting configurations. Requires the Flash plug-in. ...more>>

  45. Floating-Point Number Tutorial - Joseph L. Zachary
    A tutorial designed to help you understand the significance of mantissa size and exponent range and the meaning of underflow, overflow, and roundoff error. Includes a Java applet in a separate window for use alongside the tutorial. From a Computer Science ...more>>

  46. FlowingData - Nathan Yau
    FlowingData explores how designers, statisticians, and computer scientists use data to understand ourselves better -- mainly through data visualization. This blog, by a PhD candidate in statistics with a background in computer science and design, dates ...more>>

  47. 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>>

  48. Forest Path - Maths - Vern Beaumont
    Timed JavaScript practice activities in the four operations plus a number sequencing activity. ...more>>

  49. 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>>

  50. Fourier Synthesis - Manfred Thole
    A periodic signal can be described by a Fourier decomposition as a Fourier series, i.e. as a sum of sinusoidal and cosinusoidal oscillations. By reversing this procedure a periodic signal can be generated by superimposing sinusoidal and cosinusoidal waves. ...more>>


 
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