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All Sites - 1756 items found, showing 451 to 500
 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>> 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>> 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>> Forest Path - Maths - Vern Beaumont Timed JavaScript practice activities in the four operations plus a number sequencing activity. ...more>> Formula Conversion - Mike Krone Convert distances, lengths, areas, volumes, weights, masses, speeds, fuel economies, grade point averages (GPAs), and more, each with a formula showing unit changes and dimensional analysis. ...more>> 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>> 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>> The Four Learning Styles in the DVC Survey - Suzanne Miller, Diablo Valley College Descriptions of and strategies for four learning styles: visual/verbal, visual/nonverbal, tactile/kinesthetic, and auditory/verbal style. With tips for studying mathematics and a link to the Learning Styles Survey online. ...more>> Fractal Explorer Kit - Tom Harrington Java applets show fractals based on the Mandelbrot Set, the Julia Set, and Newton's method. Pictures grow more detailed in a series of iterations; zoom in to see a close-up of the center. A brief FAQ explains the methods behind these different types ...more>> Fractal Explorer - Yuri Alkin A Java applet that allows the user to explore infinite fractal surfaces in real time. Features unique algorithms and multiple fractal types and color schemes. Images are not based on Mandelbrot or Julia sets. ...more>> Fractal Images - Sharon Webb Fractal images made for the most part using a software application called Flarium24. Galleries contain about 15 images each and should be viewed in hi-color or truecolor settings. Tilable images that can be downloaded for wallpaper are also available. ...more>> Fractal Mountains - Matthew Caryl Fractal systems repeat the same type of features on smaller and smaller scales when you look closer and closer. Mountains are a natural example of this - a mountain range is rugged - a mountain is rugged - a valley on the mountain is rugged - and the ...more>> Fractals and Circle Inversions - Michael Frame, Barbara Bemis, Colleen Clancy, Tatiana Cogevina; Union College, Schenectady, NY Inversion across a circle was introduced by Appolonius of Perga, whose definition of inversion was synthetic, as was all geometry at that time. This article gives an analytic characterization, with an explanation of inversion limit sets, and three animations ...more>> Fractal Scope - Bob Sheehan Zoom in and out of Mandelbrot, Julia, and Newton sets, toggling among pre-selected color schemes and equations (quadratic, cubic, quartic, and quintic). ...more>> Fractals in Science: Simulations - Center for Polymer Studies, Boston University Hands-on activities, laboratory experiments, and interactive visualization programs that encourage students to explore how fundamentally random microscopic events can give rise to fractal macroscopic patterns. An image gallery and fractal related software ...more>> Fractals - Martin Sandin A Java applet that allows you to zoom in on the Mandelbrot set. Buttons are in Swedish, but the interface is straightforward and translation is provided. Also includes a few sample images. ...more>> Fractals Unleashed - Aronov, Radomyselskiy, Ming; ThinkQuest 1999 A tutorial on fractals, including types of fractals, famous fractals, applications, programs and downloads, links, references, and a Kids Zone. With Java applets and CGI programs, a gallery, and a fractal art contest. In English, Russian, and Ukrainian. ...more>> Fractional Tree Calculator - Henryk Trappmann Fractional trees are a new kind of number (extra to quaternions, octonions, non-standard reals, Conway numbers, etc.), an algebraic generalization of fractional numbers. Experiment with this web application to get a first impression. ...more>> Fraction Calculator - Luke Palder A free online fraction calculator that includes written step-by-step guides to adding, subtracting, multiplying and dividing fractions. ...more>> Fractions and Corresponding Percents - NASA Lewis Learning Technologies Project Which statement is correct? 27 percent < 1/4; 12 percent = 1/8; 3 3/5 = 335 percent; 2/3 > 66 percent. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Freaky B's Disc Golf - ridiculopathy.com Fling a virtual frisbee through an eighteen-bucket disc golf course subject to wind and collision effects. Requires the Flash plug-in. ...more>> Freaky Links - Cut the Knot!, Alexander Bogomolny with William A. McWorter Jr. Mathematics impinges on itself and the sciences in unexpected and bizarre ways. This page is a small illustration of this phenomenon, taking up recreational mathematics and the game of Chinese checkers, the strategy game called Hex, quasigroups, and block ...more>> Free Daily Sudoku Puzzles For this canonical puzzle the aim is to fill every square in the 9x9 grid with a number 1-9. Every row, every column, and every 3x3 box must contain the digits 1 through 9. Free Daily Sudoku has online puzzles and daily puzzles by email or RSS feed. Also ...more>> Free Doughnuts - Web Feats Workshop II You have a piece of cardboard 24 by 15 inches. Your problem is to figure out how much to cut out of each corner to make the box with the biggest (maximum) volume. Use the applet to explore how changing the size of the cutout changes the box. This workshop ...more>> Free Math Flashcards, Math Resources, and Math Games - Linda Blumenthal, Thinkwell Corp., NY Free math resources and educational games, including talking math flashcards. Learn math using a multi-sensory approach. ...more>> Free Math Help - Florent Gouachon; fmaths.com Free math lessons and problems from 1st Grade to 11th Grade. Free sign-up required in order to save your work. ...more>> Free Online Unit Converter Convert quantities of mass, area, angle, length, volume, pressure, temperature, and data storage by selecting the unit of measures from pull-down menus. This utility from PDFConverter.com also adjusts the current time according to time zones. ...more>> Free Puzzles - Jimmie Dean A collection of puzzles and brainteasers, divided into geometry, logic, math, weight, moves, and miscellaneous. Each puzzle includes a hint, and solutions are available through e-mail. Online games and puzzles include a chess knight game and Hangman. ...more>> Free Teaching Resources - BossBrains Free resources for educators, including: customizable worksheets, quizzes and timed tests; flash cards; telling time clocks; and AwardMaker (customize and print awards and certificates). ...more>> Free Test Online Math and science practice exercises and quizzes for SAT, ACT, Advanced Placement Calculus, GMAT, GRE and CLEP tests. ...more>> Frequently Asked Questions About Trigonometry - J. David Eisenberg An interactive site that explains the ideas behind trigonometry. With Java applets for experimenting with triangles and audio files for hearing the pronunciation of trigonometric terms. ...more>> From Lewis Carroll to Archimedes - Cut the Knot!, Alexander Bogomolny On March 29, 1879, Vanity Fair began offering its subscribers a new weekly puzzle invented by Lewis Carroll... on March 17, 1953 Frank Gray, a research scientist at Bell Labs, filed patent no. 2632058, for the Gray code encoding the vacuum tube. An n-digit ...more>> The Fruit Game An interactive game in which players take turns removing fruit from the table according to the rules. The player who removes the last fruit from the table loses. Based on the mathematical puzzler known as the game of Nim. ...more>> Fuel the Brain - Dynamics of Design Educational games, interactives, printables, teacher guides, articles and tutorials, and seasonal resources. The "inevitable" product of an elementary teacher and her graphic/web designer spouse, Fuel the Brain's most popular Flash games include Jelly ...more>> Fun 4 the Brain - Natasha Oliver Flash games in addition (snowy fun and farm freakout), subtraction (color your vacation and "Can You Dig it?"), multiplication (ping pong the panda and granny prix), and division (Peabody the Penguin, and Sketch), with self-grading timed quizzes in some ...more>> Fun and Sun Rent-A-Car - Cynthia Lanius A Java or print lesson plan: investigate using tables, graphs, and linear functions to solve a real-world problem. Includes teacher notes with standards alignment and procedures. ...more>> Function Institute (Zona Land) - Edward A. Zobel Two-dimensional (x,y) functions: linear (slope-intercept, point-slope, and general forms), polynomial (definition, roots, graphs), and exponential (definition, exponential growth, radioactive decay, money matters - simple, compound, and continuous interest, ...more>> Fundamental Concepts of Fractions - Goalfinder Commercial interactive fraction animation in Flash format; covers types of fractions, mathematical operations with fractions. Intended to use stories and entertainment to make learning fractions fun. ...more>> Funderstanding Roller Coaster Java simulation intended for students who want to design a roller coaster and educators who want to use an interactive activity to simulate the application of physics. Includes information on the following topics: acceleration; centripetal force; energy; ...more>> Fun Math for Kids from Big Learning - Dr. Karen A. Cole Real-world applications for elementary school kids--especially designed for parents and kids to explore together. Also great for classroom warm-up activities. ...more>> Funny Arithmetic - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny A Java game: using arithmetic, logical, and bitwise shift operators and parenthesis, build an arithmetic expression with as many Base digits as specified in the Number of occurrences. Your expression should evaluate to the specified Goal. For example, ...more>> Fun with Cellular Automata - Mathilde Rufenacht Java applets such as "pattern calculators" for exploring one-dimensional cellular automata, Conway's game of life, and the skins and furs of animals. Also, use the site to run your own screen savers. ...more>> Fun with Fractals - Keith Gabryelski Click in the fractal image to select the area of the fractal you would like to examine; select a location and style for the fractal image by modifing the values in the form. ...more>> Fun With Mathematics! - Harry J. Smith Mathematical recreations, curiosities, and software, from computing pi, tesseracts, and data encryption to golygons and quaternions - and much more. ...more>> Furbles - Alec McEachran Furbles are engaging creatures intended to help youngsters engage with probability and statistics--to make concrete the connection between data and the representations of data. It may be used on an interactive whiteboard, and is flexible enough for teachers ...more>> Future of Leap Seconds - Steve Allen Allen, an astronomer, discusses leap years, leap seconds -- and how to avoid their use when redefining Coordinated Universal Time (UTC): three pictures that show the situation; elapsed time (JavaScript that shows POSIX's inability to provide an interface ...more>> fxsolver - Equanalysis UG Free equation solver with a formula database for quick calculations on tables and data input "without messing around with programming languages or spreadsheet software." Browse the hundreds of math formulas, then click the gray "Add to Solver" button ...more>> g3d 3-Dimensional Graphing Applet - Eugene Agichtein Currently available functions: sin, cos, tan, acos, asin, atan -arguments in radians; Hyperbolic Functions - sinc, ctan, actan; sqrt, sqr, exp, log, ln. Operators: +, -, /, *, ^ . Graphs are highlighted in red to show contours, and can be rotated by dragging ...more>> Gadgets - Jan Gombert Gombert's five "gadgets" provide simple challenges that combine addition, multiplication, and two- or three-dimensional geometry. Balancing Act shows three values on a beam to balance by addition. Make a given perimeter or area by resizing the figure ...more>> GalaxyGoo An interdisciplinary, volunteer thinktank dedicated to exploring expressions of science and math with online technologies, for public benefit. Read interviews of scientists; explore math such as the sine curve with Flash, participate in forums and blogs, ...more>>
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