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  All Sites - 1706 items found, showing 1551 to 1600

  1. ThinkNum - Gregory Ugwi
    A web-based financial data analysis engine. Use regression, curve trades, and other quantitative trading algorithms from scipy, numpy, and similar open source libraries to analyze economic information from hundreds of sources ranging from the ADO National ...more>>

  2. Thorleif's SOMA page - Thorleif Bundgard, Denmark
    Over a thousand figures for these cubes: standard figures (176, all solved); McFarrens figure set (798, all possible); and more. An index of all figures is available. With some SOMA history and a link to a newsletter. ...more>>

  3. Three Dimensional Graphing Applet - James Goodenberger
    A Java applet with which to graph first degree equations with three variables (planes) in three dimensions. The graph can be rotated and zoomed in or out of, but it won't graph a plane that passes through the origin. ...more>>

  4. The Three Jugs Problem - Cut the Knot!, Alexander Bogomolny
    Two friends who have an eight-quart jug of water wish to share it evenly. They also have two empty jars, one holding five quarts, the other three. How can they each measure exactly 4 quarts of water? ... The description of the 3 Jugs problem as a triple ...more>>

  5. Time4Learning - John Edelson, Founder
    An online home-based learning system with multimedia lessons, interactive exercises, printable worksheets, assessments and quizzes for use in homeschool, tutoring, or summer programs. See, in particular, their Homeschool Math Curriculum. Sample lesson ...more>>

  6. Time Math - Education 4 Kids, Inc.
    Time, at different levels of complexity (clock and calendar). You are presented with two times (in one of the formats selected) and asked to determine the difference between the two. ...more>>

  7. Time: Minutes and Hours - NASA Lewis Learning Technologies Project
    Roberta left for her dancing class at 3:45 p.m. Her dancing school is a 15 minute walk from her house, and her class lasted one and one half hours. What time did she get home if she went straight home? A detailed answer is provided. From NASA's 9th Grade ...more>>

  8. TimeMonsters.com
    Learn and practice telling analog time on a clock face with Doctor Tempo, an animated talking head who reads aloud, provides oral explanations, and otherwise lends a voice as you work through lessons and quizzes on interpreting hour hands and minute hands. ...more>>

  9. Timestable
    Practise the multiplication tables online; you choose which numbers you work with. ...more>>

  10. Time Table Rhyme - Jane Hague
    Help teach children the multiplication times tables using visual and auditory memory techniques. Equations include colorful illustrations and simple rhymes to create a picture in the child's imagination, enabling quick learning and random recall. Includes ...more>>

  11. Time Zone Converter - David Svenson
    Enter multiple cities, countries, or time zones, and this JavaScript plots them on a timeline that reveals their temporal differences. Slide the circled "host" marker through business hours, evening, past midnight, night, and morning. ...more>>

  12. Tim's Interactive Puzzle Solution Center - Alex Sakharov
    A growing collection of interactive online logic puzzles including Cannibals and Missionaries, Eight Queens, Gunport, and math puzzles of various difficulty levels. ...more>>

  13. Toads And Frogs Puzzle in 2D - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A 2-dimensional Frogs and Toads puzzle that is not much more complicated than its 1-dimensional analogue, provided, of course, the latter is fully understood. Java applet. ...more>>

  14. Toads And Frogs Puzzle - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    An interactive exploration of the Toads and Frogs puzzle, also known as Hares and Tortoise; Sheep and Goats; Hop, Skip, Jump; and Traffic Jam. ...more>>

  15. Topics in Integral and Differential Calculus - Teresinha Kawasaki
    Interactive, illustrated introductions to polynomial functions, trigonometric functions, exponential and logarithmic functions, the derivative, differentiation formulas and the chain rule, differentiating trigonometric functions, max-min problems, integration, ...more>>

  16. Topology and Geometry Software: Fun and Games - Jeff Weeks
    Fun math toys for all ages, from the author of Exploring the Shape of Space (grades 6-10) and The Shape of Space (grades 12-16). Applets and software for various platforms. Play with tic-tac-toe, mazes, and the like, on a torus or Klein bottle. Draw ...more>>

  17. TopSecretMath.org - Donald Endriss
    Step-by-step JavaScript tutorials for learning how to factor several different kinds of trinomials using the C-A-B method. ...more>>

  18. Tostaky.Biz - Jerome Verstrynge
    JavaScript utilities formatted for the smaller screens of tablets and smartphones: timer, stopwatch, world clocks, and other timekeeping tools; and unit converters for area, force, length, torque, weight, and more. ...more>>

  19. TotiPM - Jordi Lagares Roset, Prof. of Mathematics, Girona
    Una página basicamente en Catalán, pero con referencias también en castellano e inglés. Páginas didácticas, problemas, software. A page primarily in Catalan but with Spanish and English language references. Lessons, ...more>>

  20. Toupty.com: Jeux Éducatifs en Ligne
    In French or English: free educational children's games, some involving simple mathematical concepts. ...more>>

  21. Tous pour les mathématiques au collège - David Monbru
    Courses mathématiques de niveaux sixième, cinquième, quatrième, et troisième. Exercises avec auto-validation incluent calculs avec ou sans parenthèses; calculs de fractions; opérations sur les nombres relatifs; ...more>>

  22. The Tower of Hanoi - Andrew Cumming
    Interactive version of the famous logic puzzle, in html and VRML versions, with a separate page about solving it. ...more>>

  23. Tower of Hanoi on the Web - Miroslav Kolar
    The legend: A group of Eastern monks are the keepers of three towers on which sit 64 golden rings. Originally all 64 rings were stacked on one tower with each ring smaller than the one beneath. The monks are to move the rings from this first tower to ...more>>

  24. Toying with Reality: Java Applets and VRML - Paul Flavin
    Virtual Reality: Modeling with Math, and a little Java. Applets to manipulate: The Pythagorean Theorem; Equation Grapher: "You type, I Graph"; Graphing Vector Calculator; Java 3d Visualizer; Virtual Rubik's Cube; Raytracing applet; Java Calculator; Play ...more>>

  25. Tractrix Java Applet Class - PHD Computer Consultants Ltd
    Download Tractrix.zip, a Java applet that makes the kind of pretty swirling patterns which Dutch mathematician Huygens originally named in 1692. Specify applet width and height, background and foreground color, coordinate pairs that will identify corners, ...more>>

  26. Traffic Jam Activity - Suzanne Alejandre
    A classroom activity (also called Hop, Skip, Jump) aligned to the NCTM and California Standards, to be explored through large movement experience, manipulatives, and an interactive Java applet. Students then revisit the activity, look for patterns, and ...more>>

  27. Traffic Jam - Math Forum
    Equal numbers of people face each other with one open slot between them. Everybody faces the open slot. If there are 6 people there will be 7 slots, 6 of which must always have people in them. People must attempt to exchange places without turning around. ...more>>

  28. Transformational Geometry - Leslie Howe
    Java applets to illustrate translation, rotation, glide reflection, etc. Directions for tessellations by hand and using dot paper. Links to sites of artists that illustrate these ideas. ...more>>

  29. Transformulas - Jedidiah Butler
    Blog about transformational geometry, subtitled "picture = 100 formulas." Posts, which feature Butler's original GeoGebra applets and teaching notes, date back to March, 2014: "One Formula ... to Rule them All," "Circles Part 2: Angle Relationships," ...more>>

  30. Transum - John Tranter
    Activities, puzzles, problems, investigations, "starters of the day," "shine + write" prompts to project on a whiteboard for students to then write on as part of a whole class exposition, Flash games, and more. ...more>>

  31. Travelling Salesman's Problem - Gunno Törnberg
    Algorithms to solve the travelling salesman's problem (a travelling salesman is to visit a number of cities; how to plan the trip so every city is visited once and just once and the whole trip is as short as possible?) Links to Java applets; the shell ...more>>

  32. The Travelling Salesman's Problem - Manu Konchady
    A trucking or delivery company is focused on optimum delivery cost. This can be achieved by using a system which determines the best highway route for each load. An optimum highway route can be displayed on a map. A route with 16 nodes is used to test ...more>>

  33. The Treb Challenge - GlobalSpec, Inc.
    Custom build a trebuchet for three challenges: distance, accuracy, and power. Between launches, continue modifying the catapult-like seige engine's projectile weight, launch angle, gravity, wind, counterweight mass and height. After each challenge, the ...more>>

  34. TreeAge Software, Inc.
    Producer of decision analysis software. Product information, interactive demos and trial download, FAQ and technical support, ordering, and registration. ...more>>

  35. Triangle with one 90-degree Angle - NASA Lewis Learning Technologies Project
    A triangle with one 90 degree angle is always: an equilateral triangle; an acute triangle; an obtuse triangle; or, a right triangle? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  36. Tribute to Invariance - Cut the Knot!, Alexander Bogomolny
    As a competitive activity, the Squares and Circles game is not very challenging in itself. That is to say, the outcome of the game does not depend on how the game proceeds. The challenge is to come up with this realization and establish its veracity. ...more>>

  37. Trigonometry (Manipula Math) - International Educational Software (IES Inc.)
    More than 20 Java applets designed to demonstrate principles of trigonometry, including sine, cosine, and tangent function boxes; graph of y=sin x, y=cos x, y=sin ax, y=A sin (Bx+C), and y=sin x + cos x; Fourier series; sin t = a; cos t=a; sin(A+B); ...more>>

  38. TriMathlon: A Workout Beyond the School Curriculum - A. K. Peters, Ltd.
    Companion site to the book TriMathlon: A Workout Beyond the School Curriculum, by Judith and Paul Sally. Discuss math, the book, or the site with members of the Trimathlon community; explore the current "Periodic Puzzler"; or play one of the Shockwave ...more>>

  39. Triogram Models - Hansen, Kooperberg, Sardy
    An electronic version of a paper that introduces the Triogram method for function estimation using piecewise linear, bivariate splines based on an adaptively constructed triangulation. Java applets are included and a PostScript version of the entire paper ...more>>

  40. TSPBIB (Traveling Salesman Problem) - Pablo Moscato
    A comprehensive listing of papers, source code, preprints, technical reports, etc., available on the Internet about the Traveling Salesman Problem (TSP) and some associated problems such as Fractal TSP Instances and VRP Instances, with links to software ...more>>

  41. TTMath - big online calculator - Tomasz Sowa
    This big numbers library for C++ programming language performs mathematical operations with unsigned/signed integers and floating point numbers. ...more>>

  42. tutpup
    Basic arithmetic questions for children to solve while racing against each other, anonymously, as a clock counts down. The site shows what you got right and wrong, and how your performance compares with your opponent's on each question. The games run ...more>>

  43. Types of Functions - Eger, Champaneria, Garmendia; Interactive Mathematics Online (IMO)
    Definitions, plots, and examples of composite functions; even and odd functions; inverse functions; linear, quadratic, and cubic functions; monotonic functions; periodic functions. Also, Java "formulae enabled" pages. ...more>>

  44. UBC Calculus Online: Supplement to Math 100 - Dept. of Mathematics, University of British Columbia, Vancouver, BC, Canada
    An online supplement to mathematics courses being taught within the University of British Columbia Department of Mathematics. Course notes (functions, the Function Zoo, What is the derivative?, Tools for Calculating Derivatives; Applications of the Derivative; ...more>>

  45. Ultimate Calculators - Graham Lancaster
    Free online loan calculators, mortgage calculators (comparison calculator, basement suite calculator), investment property calculators, tax calculators, investing calculators (retirement income calculator, 401k calculator), capital budget calculators ...more>>

  46. Undergraduate Research Project in Random Tilings - Propp, Wilson
    This project investigates different regions of random tilings of nxn squares with 1x2 dominoes: square, hexagon, fortress, dungeon, and Aztec diamond (the set of lattice squares completely inside a square tilted 45 degrees, discovering that the dominoes ...more>>

  47. Understanding Temperatures - NASA Lewis Learning Technologies Project
    These were the low temperatures recorded for January 15 in these cities: Minneapolis: - 6 degrees; Cleveland: 5 degrees; Fargo: -11 degrees; Chicago: 2 degrees; Milwaukee: -3 degrees; Detroit: -1 degree. Which city had the low temperature closest to 0 ...more>>

  48. Undusting Napier's Bones - Alexandros Diploudis; Heriot-Watt University, UK
    Biographical information about the Scottish mathematician John Napier, generally considered the inventor of logarithms, with a Java simulation of Napier's bones, a method for performing arithmetic operations by the manipulation of rods (called "bones" ...more>>

  49. Une Balade dans le Monde des Polyèdres - Maurice Starck
    Les polyèdres convexes, non convexes, et intéressants: les polyèdres uniformes, les stellations de l'icosaèdre, des tétraèdres remarquables, le découpage d'un tétraèdre par un plan, les deltaèdres ...more>>

  50. Unique Online Math Flash Cards - Lambert Smith, MathRUS.com
    Customizable formatting characterizes these flash cards for addition, subtraction, some multiplication and some division. Free 30-day trial; afterwards, a subscription is pay-what-you-can. The author writes: "This website for online math flash cards differs ...more>>

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