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  All Sites - 6829 items found, showing 6301 to 6350

  1. 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>>

  2. Travel Triangles (SMILE) - Sarah Barrett, Mars Hill School
    A middle and high school geometry lesson designed to teach students to review and demonstrate an understanding of the three kinds of angles (by degrees). From the Geometry and Measurement section of a collection of almost 200 single concept lessons by ...more>>

  3. 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>>

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

  5. TREEFROG Mathematical Software - John Moores University, Liverpool, UK
    Modular software for Windows, intended to be used along with traditional teaching methods, to provide instant feedback at each stage. It covers basic order of operations; manipulation of fractions; transposition of formulae and the quadratic equation; ...more>>

  6. TREEFROG self-assessment system - Strickland, Al-Jumeili
    An MS-DOS and Windows program for checking math skills, based on mathematical rules. A student is presented with an expression (say integral of x cos x d x, or x2+3x+2 = 0) and told to convert it to another equivalent form (function of x + constant, x ...more>>

  7. Triangle Calculator - Peter Chrenko
    Select Side-Side-Side (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), or Side-Side-Angle (SSA) congruence, then enter three known sidelengths or angles, and this JavaScript returns the triangle's remaining measurements. This calculator also uniquely ...more>>

  8. Triangle Centers - Clark Kimberling; Dept. of Mathematics, Univ. of Evansville, Evansville, IN
    A listing, with description and illustration, of 20th-century triangle centers (including: Schiffler Point, Exeter Point, Parry Point, congruent isoscelizers point, Yff Center of Congruence, isoperimetric point and equal detour point, Ajima-Malfatti Points, ...more>>

  9. Triangle Congruence - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about triangle congruences, such as "Why can't the SSA Theorem be used to prove congruence?" and "When should we use Congruent Parts Congruent Triangles Congruent (CPCTC), and how does it prove anything?" ...more>>

  10. Triangle Formulas (Ask Dr. Math FAQ) - Math Forum
    Formulas for finding the area, perimeter, etc. of an equilateral, isosceles, right, or scalene triangle. ...more>>

  11. Triangle: Proof - Michal Wojcik
    A proof that the sum of the angles in a triangle is 180 degrees. This page is written in HTML with two graphical images. ...more>>

  12. Triangle Puzzle - Evelyn Sander, Geometry Forum Archives, The Geometry Center
    Pick an arbitrary point in the interior of an equilateral triangle. Now go halfway towards one of the three vertices (you get to pick which vertex). Now you are at a new point in the triangle. Again go halfway towards any vertex. Continue this process. ...more>>

  13. Triangles and Pyramids: Playing Math! - Hollis Easter
    A "teachable" on the construction of free-standing pyramids made "by folding a single piece of paper, with only a single piece of tape to hold them together...." This blog post goes on to include photos of a net, diagrams, and "things to investigate": ...more>>

  14. Triangles and Simplices (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on triangles and their higher-dimensional generalizations (simplices), with a particular interest in partitioning regions into triangles, tetrahedra, or higher dimensional simplices, for various applications ...more>>

  15. Triangles, Circles, And Waves - Kenny Felder
    The site provides an overview of trigonometry. The material is merely a refresher; only useful to beginners in trigonometry when used as supplementary course material in a trigonometry class. ...more>>

  16. Triangles in Elliptic Geometry - Thomas Banchoff, The Geometry Center
    An examination of some properties of triangles in elliptic geometry, which for this purpose are equivalent to geometry on a hemisphere. The aim is to construct a quadrilateral with two right angles having area equal to that of a given spherical triangle. ...more>>

  17. 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>>

  18. Triangular Numbers
    Triangular and square numbers, presented with numeric, algebraic, and geometric illustrations, proofs, and formulas. ...more>>

  19. triangular prism - Manjit Singh Atwal
    Download lessons and worksheets about triangular prisms, including finding surface areas and volumes. ...more>>

  20. Triangulation (SMILE) - Ann M. W. Brandon, Oak Forest High School
    A lesson designed to teach students the basics of how to perform and calculate triangulation. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement. ...more>>

  21. 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>>

  22. Tricki - Gowers, Timothy; Sisask, Olof; and Frolkin, Alex
    A wiki "repository of mathematical know-how" that encompasses techniques ranging from the very general to those that concern particular subareas of mathematics. Browse problem-solving ideas by technique: for finding algorithms and algorithmic proofs, ...more>>

  23. Tricks for Learning Math - Math Forum, Teacher2Teacher FAQ
    Answers to a frequently asked question: What are some math tricks and mnemonic devices I can use with my students? ...more>>

  24. Tricky Crossings - Ivars Peterson (MathLand)
    Have you heard the one about an itinerant entertainer traveling with a wolf, a goat, and a basket of cabbages? The showman comes to a river and finds a small boat that holds only himself and one passenger. For obvious reasons, he can't leave the wolf ...more>>

  25. Tricky Dice - Ivars Peterson (MathTrek)
    The game involves four specially numbered dice. You let your opponent pick any one of the four dice. You choose one of the remaining three dice. Each player tosses his or her die, and the higher number wins the throw. Amazingly, in a game involving 10 ...more>>

  26. Tricky Tables (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
    The shape of a billiard table has a lot to do with the types of shots you can make in a game of billiards. Which of the odd tables pictured do you think would be your best bet for hitting another ball? Suppose you have a circular table, or a rectangular ...more>>

  27. Trig According to Euclid - Len Smiley, Deborah Smiley
    Four figures proving trigonometric addition and subtraction formulas for cosine and sine. Free of Cartesian coordinates, the proofs are synthetic and use a common, minimal diagram from Euclidean geometry. ...more>>

  28. Trigonometric Functions and Calculus - Waner, Costenoble; Hofstra University
    A text on the WWW for liberal arts and business majors. Contents (each with exercises): Modeling with the Sine Function; The Six Trigonometric Functions; Derivatives of Trigonometric Functions; Integrals of Trigonometric Functions. ...more>>

  29. Trigonometric Functions - Larry Gladney, Dept. of Physics, Univ. of Pennsylvania
    From the Interactive Textbook of PFP 96. A review of the trigonometric functions, sine, cosine, and tangent, as the most frequently used functions seen in introductory physics. ...more>>

  30. The Trigonometric Functions - MacTutor Math History Archives
    Linked essay sketching trigonometry from its beginnings out of the early correspondence between astronomy and mathematics through the 18th century, with 17 references (books/articles). ...more>>

  31. Trigonometric Functions (SMILE) - Lesia Smith, Michael M. Byrne School
    A lesson designed to teach students to define and demonstrate the six trigonometric functions; and to facilitate using the three most frequently used trigonometric functions. From the Algebra and Trigonometry section of a collection of almost 200 single ...more>>

  32. Trigonometric Identities - David Manura
    Table of Common Angles, Law of Sines, Law of Cosines, and more. ...more>>

  33. Trigonometry and Calculus Problem of the Week - Math Forum
    Trigonometry and calculus problems from a variety of sources, including textbooks, math contests, NCTM books, puzzle books, and real-life situations, designed to reflect different levels of difficulty. From 1998 until 2002, the goal was to challenge students ...more>>

  34. Trigonometry Challenge - ETCAI Products
    A program designed to supplement your classroom and textbook instruction in numerical trigonometry. A trial program is available for download. The generic topics can be used with most textbooks. For Windows 95/98/98SE/me/XP/2000/NT4. ...more>>

  35. Trigonometry Formulas - Math Forum; Ask Dr. Math FAQ
    Formulas for trig functions, bounds, identities, solving right and oblique triangles and inverse trig functions. ...more>>

  36. 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>>

  37. 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>>

  38. Trigonometry (Seeing is Believing) - De Silva, D'Andreti; ThinkQuest 1997
    A trigonometry tutorial, comprising: angles; trigonometric functions; oblique triangles; vectors; polar cordinates; complex numbers; and hyperbolic functions. ...more>>

  39. 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>>

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

  41. Trigonometry - Technical Tutoring
    Site provides an introduction to trigonometry, includes illustrative examples and exercises in basic trigonometry as well as a summary of the important basic trig identities and formulae. ...more>>

  42. Trioker - Triominoes Puzzle - J. Marc Genevey
    Le jeu de Trioker a été inventé par Monsieur Odier et étudié par lui-même et son compère Mr Roussel dans leur ouvrage Surprenant Triangles. Il est composé de l'ensemble des 24 pièces triangulaires ...more>>

  43. Trisecting a Line Segment - Robert Styer
    Several ways to trisect a line segment using compass and straightedge. ...more>>

  44. 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>>

  45. Trisecting the Angle - Steven Dutch; University of Wisconsin - Green Bay
    Why is trisecting an angle with a straightedge and compass impossible? Discussion includes several other proofs of impossibility (the largest prime number, the square root of 2, repeating patterns in the plane) and some alternate methods of trisection ...more>>

  46. 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>>

  47. 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>>

  48. Troublesome Weather Trends - Ivars Peterson (MathTrek)
    In the February Bulletin of the American Meteorological Society, Statistician Kevin J. Coakley of the National Institute of Standards and Technology in Boulder, Colo. argues that ... daily temperatures donít vary randomly. They generally tend to rise ...more>>

  49. 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>>

  50. 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>>


 
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