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  All Sites - 4657 items found, showing 4351 to 4400

  1. 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>>

  2. Trigonometry Reference Sheets (S.M.A.R.T.) - Math Share Shop
    Basic curves. By students at Theodore Roosevelt H.S., Bronx, & Edward R. Murrow High School, Brooklyn. ...more>>

  3. Trigonometry (S.O.S. Mathematics) - Dept. of Mathematical Sciences, Univ. of Texas at El Paso
    An online course: learning units presented in worksheet format review the most important results, techniques and formulas in college and pre-college trigonometry. Trigonometry: Angle Measures, Trigonometric Functions (magic identity, Addition Formulas, ...more>>

  4. Trigonometry Table - Industrial Press
    Tables that give corresponding sine, cosine, tangent, secant, cosecant, and cotangent values for angles 0 to 90 degrees. ...more>>

  5. Trimathlon
    Site centered around a book featuring activities from number theory and geometry beyond the realm of the typical school curriculum. The site features a discussion forum, a sample online game (with others promised), and a periodic puzzler with hint. ...more>>

  6. 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>>

  7. Trisecting an Angle - MacTutor Math History Archives
    Linked essay tracing the history of the classical Greek problem of trisecting an arbitrary angle using for the construction only ruler and compass (which is impossible) - but, failing that, finding some other method. ...more>>

  8. Trisection Of An Angle - Jim Loy
    A discussion of what can and can't be constructed using compasses (for drawing circles and arcs, and duplicating lengths) and straight-edge (without marks on it, for drawing straight line segments). ...more>>

  9. Triumph of the Nerds: A History of the Computer - Robert X. Cringely; PBS Online
    A companion Web site for the Public Broadcasting System television special hosted by Robert Cringely, "Triumph of the Nerds: The Rise of Accidental Empires." Learn how youthful amateurs, hippies, and self-proclaimed "nerds" accidentally changed the world. ...more>>

  10. Trouble with Wild-Card Poker - Ivars Peterson (MathLand)
    Poker originated in the Louisiana territory around the year 1800. Ever since, this addictive card game has occupied the time and teased the minds of generations of gamblers. It has also attracted the attention of mathematicians and statisticians. The ...more>>

  11. Truel in the Sun - Ivars Peterson (MathTrek)
    Brilliant sunshine bakes a huddled row of ramshackle, weather-beaten buildings lining a dusty thoroughfare. Two gunfighters slam out of a decrepit saloon and stalk toward their posts at either end of the street. Facing each other, they prepare to draw ...more>>

  12. The Truth Tree's Math and Logic Board - Bob Scott, Ron Savori
    A collection of math and logic problems, from Pascal's Pizza Parlor and Leaning Ladders to The Old Lady and the Eggs and The Rickety Table Disaster. Register to solve these and other problems and compete with other visitors to The Truth Tree. ...more>>

  13. Tumblehome Learning
    Makers of educational products such as Lost in Tangrams and -- through a partnership with TERC, with funding from the National Science Foundation (NSF) -- Mixing in Math (MiM) cards, gameboards, and books. ...more>>

  14. TurnOnCCMath.net - Confrey, Jere, et al.
    Learning trajectories that unpack the K-8 Common Core State Standards (CCSSS) for Mathematics from the standpoint of student learning, and elaborate the underlying scientific research in mathematics education. Click on a hexagon or a trajectory for detailed ...more>>

  15. Tutor.com - Tutor.com, Inc.
    One-to-one real-time help from professional subject experts and librarians. Students looking for homework help may check if their local library or after-school center offers free tutor.com tutoring; try tutor.com personal online tutoring free for a week; ...more>>

  16. Tutor For Maths - Vikram Singh
    One-to-one math tutoring, consulting, brainstorming, and editing sessions conducted online while on the phone with WhizIQ electronic whiteboard software. ...more>>

  17. The Tutor House: math - Adrianne Meldrum
    Tutoring elementary and middle school students, Meldrum would often "hunt the Internet for tips and helps on teaching concepts to my students. I find great stuff, but I wanted somewhere central that other tutors like me could find them...." Every Wednesday ...more>>

  18. The Tutorials Search Engine
    Searchable listings of tutorials on a variety of subjects, including mathematics. ...more>>

  19. Tutoring Unlimited - Roman Chertes
    Math assistance for local students in Stamford, CT. Information about the tutor and services offered. ...more>>

  20. TutorIT Math Skill Tutors - Intelligent Micro Systems, Ltd's (DBA Scandura)
    Adaptive tutorials that identify what a math student does and does not know -- and then provide the information needed by that student to master the skills taught. Packages include basic facts (addition, subtraction, multiplication, division), algorithms ...more>>

  21. TutorLinker: The Most Innovative Tutor Network - TutorLinker.com
    TutorLinker uses online map system so people who are looking for local tutors can easily find their location and compare with other tutors. All services are currently free. ...more>>

  22. TutorMatch - TutorMatch.com
    A tutoring referral service for educators and students. Professional and skilled tutors offer academic assistance and skills development, geared to the learning styles of their students. Tutoring options include face to face meetings or individualized ...more>>

  23. TutorNEXT - tutorNEXT, Inc.
    One-on-one, individualized tutoring sessions in math and English. An enrichment program in math, and free printable math worksheets, are also available. Full listing of services on the site. ...more>>

  24. Tutor Pace - Tutorpace Inc.
    Online homework help tutoring. Free math resources include descriptions of and primers for pre-algebra, algebra, geometry, trigonometry, statistics, and calculus. ...more>>

  25. TutorTeddy.com
    Online tutoring sessions across grades in arithmetic, algebra, statistics, probability, calculus, geometry, and trigonometry. The TutorTeddy.com site also freely offers more than a hundred chalkboard video lectures and worked problems. ...more>>

  26. TutorVista - TutorVista.com
    Interactive lessons, worksheets, and homework help for math students grades 3-12 from this online education company. ...more>>

  27. Tutor World Online
    This online tutoring service sells homework help and SAT preparation packages. The Tutor World Online journal posts free primers in math. ...more>>

  28. TuvaLabs - Tuvalabs LLC
    Common Core-aligned math learning units based on "topics, news stories, and significant events occurring in student's life outside school," such as sports and nutrition. ...more>>

  29. TuxBlocks - Thomas Price
    Click and drag colorful block representations of constants and coefficients from one side of the equation to the other, step by step, to isolate the variables and solve the algebra problems. Points earned through such diagram-driven, mouse-only algebraic ...more>>

  30. Tversky's Legacy Revisited - Keith Devlin (Devlin's Angle)
    "Amos Tversky died earlier this year. To mathematicians, the Stanford-based psychologist is best known for the research he did with his colleague Daniel Kahneman in the early 1970s, into the way people judge probabilities and estimate likely outcomes ...more>>

  31. Twenty Tosses (TEAMS) - Jeannie Toshima; TEAMS Distance Learning, Los Angeles County Office of Education
    Toss a coin twenty times, and share class results. Students predicted how many heads or tails they might get if they toss a coin 20 times; tossed coins 20 times and recorded their results; compared their predictions with the actual results; teachers collected ...more>>

  32. Two Equals One? - Jim Loy
    A proof that 2=1, what's not "legal" about it, and a discussion of infinity. ...more>>

  33. The Two-Headed Quarter by Joseph Ganem - Chartley Publishing, LLC
    A companion site to The Two-Headed Quarter, written by a physicist scrutinizing day-to-day financial decisions, such as "How far should you drive to buy cheaper gas?" and "Is money saved when you buy on sale?" and "How far should you drive to save money?" ...more>>

  34. Two Trains - Math Forum, a Classic Problem from the Ask Dr. Math FAQ
    Two trains leave different cities heading toward each other at different speeds. When and where do they meet? ...more>>

  35. Tying Down a Random Walk - Ivars Peterson (MathTrek)
    For many men, the ordeal of fashioning a neat tie knot is fading into the distant past. It seems ironic that two physicists have now put necktie knots back on center stage. Thomas M. A. Fink and Yong Mao of the Cavendish Laboratory in Cambridge, England, ...more>>

  36. Typing Math - Math Forum, Ask Dr. Math FAQ
    How should I type exponents? What about square roots? Why not use tabs? May I send attachments? ...more>>

  37. UCALC - Daniel Corbier
    Windows shareware tools to compute compound interest, convert from miles to kilometers, solve a quadratic equation, plot a 3D surface, or simply add up bills. Features include: Expression Evaluator (evaluates expressions such as "5+4*10-13"); Unit Converter; ...more>>

  38. UC Museum of Paleontology - University of California at Berkeley
    On-line exhibits, education and outreach programs, catalogs and collections, and links to other science and museum sites. Paleontology incorporates many different kinds of data from different fields. Search for type specimen data from the museum's Catalogs ...more>>

  39. UCSB Department of Mathematics Center for Mathematical Inquiry - Regents of the University of California
    Developing "inquiry-based learning approaches in the teaching of mathematics and a research base that examines teaching and learning through inquiry-based practices." See past workshops, course materials for University of California Santa Barbara (UCSB) ...more>>

  40. UK Mirror Service - Joint Information Systems Committee, Higher Education Funding Councils, UK
    Formerly HENSA, this national software archive service benefits the higher education and research community in the UK, funded by the Joint Information Systems Committee of the Higher Education Funding Councils. It maintains copies of electronic archives ...more>>

  41. The Ultimate Puzzle Site - van Gassel, Heijmans, van Veldhoven
    A site in English and Dutch by three Dutch students. Contents include: Various Basic Puzzles and Riddles (no mathematics); Harder Puzzles and Riddles (no mathematics); Mathematical and Logic-deductional Puzzles with solutions; Brain-Teasers; and Complex ...more>>

  42. ULTRALAB - Anglia Polytechnic University, U.K.
    A research centre that writes software for learners of all ages and researches all aspects of the use of technology in learning. Reports, papers, and articles; 'old' software and hardware computing archive. ...more>>

  43. Unbreakable Ciphers - Jim Loy
    Proving that if the method of encryption is complicated enough, almost any encrypted message can be unbreakable. ...more>>

  44. Uncle Bob's Puzzles - Robert & Claire Mead, Haverhill, NH, USA
    Math and logic problems (no solutions); if you have questions, want a hint, or want to submit a solution you're invited to email the author. Asterisks indicate greater difficulty: Blind Cowboy; A Game of Catch; The Next Three; Grandpa's Birthday; Square ...more>>

  45. UNdata - United Nations Statistics Division
    Search across the UN's statistical databases: education, human development, population, trade, gender, and more. Preview, download, and filter results by sources such as the State of the World's Children (SOWC) and Millennium Development Goals (MDG). ...more>>

  46. Understanding Algebra - James Brennan, Boise State University
    In addition to "stuff to play with" on the web (a Graphing Applet (for exploring slope and intercepts of straight lines), a Prime Factorization Machine, a Prime Number List, a Quadratic Equation Solver, and a Quadratic Function Plotter), this book's full ...more>>

  47. Understanding Mathematics: From Counting to Calculus - Keith Kressin, K Squared Publishing, Inc.
    A comprehensive book for anyone who desires clear and concise math explanations, written for a non-technical audience to cover the math fundamentals normally taught from first grade through college (for more information, see the Table of Contents). ...more>>

  48. 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>>

  49. 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>>

  50. 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>>


 
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