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  All Sites - 6866 items found, showing 5251 to 5300

  1. The Pythagorean Theorem and the Maya Long Count - Charles Wm. Johnson; Science in Ancient Artwork -
    Various essays dealing with the possible extension of the Pythagorean Theorem to the third power in relation to the mathematical and geometrical appearance of the Maya long count fractals within progressive series of right triangles. It would appear that ...more>>

  2. Pythagorean Theorem Animated Voice Demo - Chris Beall
    Animted deerivation of the Pythagorean Theorem. ...more>>

  3. Pythagorean Theorem - Bellevue Community College
    A brief illustrated page describing the theorem, with a little historical background and a proof. ...more>>

  4. Pythagorean Theorem - Greg Huberty, Univ. of Georgia
    President James Garfield is credited with a proof of the Pythagorean theorem unlike other proofs in that it does not use squares of the sides; rather, it uses two triangles of sides a, b, and c along with a triangle with legs of c to create a trapezoid. ...more>>

  5. The Pythagorean Theorem - Jim Loy
    A proof of the theorem, courtesy Legendre, and other proofs and miscellaneous information. ...more>>

  6. Pythagorean Theorem (Manipula Math) - International Education Software (IES)
    Java applets for experimenting with shifting, rotating, and moving pieces of quadrilaterals to prove the Pythagorean Theorem. ...more>>

  7. The Pythagorean Theorem - Math Forum, Ask Dr. Math FAQ
    What is the Pythagorean theorem? When would you use it? How can we prove it? ...more>>

  8. The Pythagorean Theorem (MSTE) - J. T. Johns; University of Illinois at Urbana-Champaign (UIUC)
    Developing the Chinese proof of the Pythagorean theorem using the Geometer's Sketchpad. Students, each using a computer, are led through it by the worksheet supplied. ...more>>

  9. Pythagorean Theorem - Over 20 Proofs - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A general exposition of the Pythagorean theorem, with proofs from Euclid to Garfield - and more. Also links to other sites on the Web with proofs. ...more>>

  10. Pythagorean Theorem Proofs - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about proofs of the Pythagorean Theorem, such as "Do you know the exact number of proofs of the Pythagorean Theorem in existence?" and "Why doesn't the Pythagorean theorem work for triangles other than right triangles?" ...more>>

  11. Pythagorean Theorem - Warren F. Davis, Davis Associates, Inc.
    An animated, non-mathematical, annotated proof of the Pythagorean Theorem, assumed to be the method of proof actually used by Pythagoras circa 550 BCE (see the Bronowski reference). ...more>>

  12. Pythagorean Triples - Math Forum, Ask Dr. Math FAQ
    What is a Pythagorean triple? What do Pythagorean triples have to do with Fermat's Last Theorem? ...more>>

  13. Pythia Equation Solver - Pablo Perna
    The site contains equations for which the user can solve automatically any unknown given the known parameters. Geometry equations include areas of triangles and circles, and surface area and volume for various 3D shapes. Equations also include electronics ...more>>

  14. QAMA - QAMA, LLC
    "The calculator that thinks only if you think, too," QAMA requires the operator to first enter a reasonable estimate. QAMA encourages rounding and rapid back-of-the-envelope reckoning, but does not tolerate errors of magnitude or sign, or of basic operations ...more>>

  15. Q-Puzzle - XIAO Gang
    A mathematical jigsaw puzzle: your goal is to recover a disordered photo by finding the inverse affine transformation. A French version is also available. ...more>>

  16. Quadralay's Cryptography Archive - Quadralay Corporation
    Encryption standards, frequently asked questions (FAQs), and newsgroups. Clipper, Digital Telephony, History of Cryptology, Internet Security, Kerberos, PGP, RIPEM, and a glossary. ...more>>

  17. Quadratic, Cubic, and Quartic Equations - MacTutor Math History Archives
    Linked article describing the progress made on these equations from the Babylonians through Leibniz in 1673, with another Web site and 12 references. ...more>>

  18. Quadratic Equations - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about quadratic equations, such as "When would you solve a quadratic equation in real life?" and "Why FOIL?" ...more>>

  19. Quadratic Formula - Jim Loy
    The normal derivation of the quadratic formula (completing the square), and another using a pair of factors, finding all possible factors with whole numbered terms... ...more>>

  20. The Quadray Papers - Kirby Urner, 4D Solutions
    An Introduction to Quadrays. The game of quadrays starts with a regular tetrahedron and four rays pointing from its center to the four corners; these or any ray built from these rays are labelled 4-tuples - i.e. four numbers separated by commas and enclosed ...more>>

  21. Quadrilateral Classification - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about how to classify quadrilaterals, such as "Are squares rectangles? Are rectangles squares? ...more>>

  22. Quadrilateral Formulas (Ask Dr. Math FAQ) - Math Forum
    Formulas for finding the area, perimeter, etc. of a quadrilateral: square, rectangle, parallelogram, rhombus, trapezoid, trapezium, kite, and cyclic quadrilateral. ...more>>

  23. Quandaries and Queries (Math Central) - Dept. of Mathematics and Statistics, University of Regina, Saskatchewan, Canada
    A math Question and Answer area for K-12 students and teachers, with searchable archives of past questions and answers. ...more>>

  24. The Quantile Framework for Mathematics - MetaMetrics, Inc.
    The Quantile Framework measures a student's mathematical achievement and concept/application solvability on the same scale, enabling educators to use Quantile measures to monitor a student's development in math and forecast performance on end-of-year ...more>>

  25. Quantitative and Qualitative Research Supporting Prentice Hall Mathematics Programs - Pearson Education, Inc.
    Download PDFs: the Research Summary of Prentice Hall Mathematics programs; Quantitative Research on 1999 Course 1, Algebra LVR, 2000 Pre-Algebra Research Summary, and 1999 Middle School Math; Qualitative Research on Unique Progress and on Reading and ...more>>

  26. The Quantum Age Begins - MacTutor Math History Archives
    Linked essay describing the beginnings of quantum theory, from Kirchoff's blackbody radiation work in 1859 to Bohr, Einstein, and von Neumann in the 1930's, with 33 references (books/articles). ...more>>

  27. The Quantum CyberTeaser - National Science Teachers Association (NSTA)
    Archive of bimonthly problems posed online by Quantum, the math and science magazine. The magazine ceased publication with its July/August 2001 issue. Puzzles and most solutions are still available here. ...more>>

  28. Quantum Games - Ivars Peterson - Science News Online
    Scientists studying quantum computation offer new perspectives on coin tossing, chess, and game theory. Theorists intend to apply the peculiarities of quantum behavior to game theory, two previously unrelated fields. These researchers propose that the ...more>>

  29. Quantum-Quick Queries - Ivars Peterson - Science News Online
    Computer scientist Lov K. Grover of AT&T Bell Laboratories has found an an algorithm that relies on quantum mechanical principles that significantly speeds up the process of identifying a particular item in an unsorted list. Whereas the best possible ...more>>

  30. QuasiTiler (Gallery of Interactive Geometry) - Eugenio Durand; The Geometry Center
    Generate Penrose tilings or design your own nonperiodic tilings of the plane with this interactive application. In the process, you can select and visualize plane cross-sections of a lattice in anywhere from 3 up to 13 dimensions. Geometry of Quasicrystals ...more>>

  31. QUdata.com - Icestone Trustee Limited
    Online tools and reference library resources for data mining and knowledge discovery. Collection of free online statistical and scientific calculators, 2D and 3D function plotters. ...more>>

  32. Query Interface to the Contents of the Mathematics Archives - University of Tennessee, Knoxville (UTK)
    Search software, abstracts and reviews; teaching materials, etc. by keyword. ...more>>

  33. Queryous - Information Manipulation, Inc.
    An interactive quiz tool. Take a quiz on any course currently available or create your own course and earn half the proceeds. Businesses may use this for training or create free courses for brand recognition. ...more>>

  34. QueryTree - D4 Software Ltd
    Drag and drop this free tool to explore, analyze, and visualize data — without special code, formulas, or even software: QueryTree queries tabular information within your web browser. ...more>>

  35. Qu'est-ce qu'un nombre? E-doc Mathématiques - Service du Film de Recherche Scientifique (SFRS)
    Site basé sur le livre de S. Houzel, qui retrace l'histoire du nombre depuis l'Antiquité. In French. Site based on the book by S. Houzel, retracing the history numbers. ...more>>

  36. The Quest for the Holy Value - Kjetil Valstadsve
    Finding the correct value of pi. The likelihood of any random two integers having 1 as their greatest common divisor (no factors in common), has been proved to be 6 divided by pi squared - the numbers are prime in relation to each other. According to ...more>>

  37. Quick Conversion - David Giordano
    A shareware tool for Win95/98/ME/NT4/2000/XP that converts several units of length, weight and capacity. Free trial version available for download. ...more>>

  38. QuickMath
    A site for answering common algebra questions automatically: users enter their e-mail address and a mathematical expression, and decide whether they wish to expand, factorize, or simplify that expression. The answer is computed automatically and returned ...more>>

  39. Quick Trig Lessons - Matt Robinson
    Brief lessons on ratios, triangles, identities, graphs, and formulas, with practice problems and a page of links to other math sites on the web. ...more>>

  40. Quilt Block Patterns - Hester Butler-Ehle
    Links to a variety of quilt block patterns (four-patch, five-patch, nine-patch, and more). Several are suitable for replication using pattern blocks. ...more>>

  41. Quilt Design Program Mini-Reviews - Robert G. Holland, The Virtual Quilt Company
    A brief review of several quilt design programs. Links permit you to download a demo version of some programs. Quilt-Pro is the Windows-based program of choice. ...more>>

  42. Quirky Video Poker - Ivars Peterson (MathTrek)
    The lure of easy money brings gullible bettors back again and again to the game of video poker - an immensely popular pastime in casinos and other gambling venues throughout the United States. Most players are bound to lose money, says Todd D. Mateer, ...more>>

  43. Quite BASIC - Nikko Strom
    A JavaScript environment for coding in the classic BASIC programming language. Math projects include the Fibonacci Sequence, Fibonacci Squares, the Sieve of Eratosthenes, and Mandelbrot; puzzles include the Towers of Hanoi and variations of the Eight ...more>>

  44. Quizma --> Matemática Cálculo Robótica - Harold Suárez Guzmán
    In Spanish: Clases y Orientación en Matemáticas Cálculo y Robótica. Fórmulas - Demostraciones - Ejercicios - Ejemplos - Cálculo Interactivo. Algebra, Logaritmos, Trigonometría, Geometría, Estadística, Ecuaciones, Problemas de Planteo, Funciones, Geometría ...more>>

  45. Quiz Me - D. Kell and Mercer County Community College
    Interactive quizzes constructed using software provided by Addison Wesley Longman Publishers. Auto-scoring, multiple choice self-tests on whole numbers (place value, operations, applications, rounding, roots and order of operations); fractions (equivalencies, ...more>>

  46. QuizStar - Advanced Learning Technologies, Center for Research on Learning at The University of Kansas
    Create online quizzes and organize the results. Features include the ability to attach multimedia files to questions, to make quizzes in multiple languages, and more. ...more>>

  47. Quomodcocumque - Jordan Ellenberg
    Blog by a math professor at the University of Wisconsin, Madison. Posts, which date back to June, 2007, have spanned childrearing, the Baltimore Orioles, dining, overheard conversations, and included "Throwing the baby with a math Ph.D. out with the obnoxious ...more>>

  48. The Quotations Page - Michael & Laura Moncur
    A searchable collection of resources and information relating to quotations. Quotes of the Day; Quotes of the Week; Motivational Quotes of the Day; Random Quotes; Search; Links - a listing of other useful resources related to quotations. You are invited ...more>>

  49. Qwizdom
    Qwizdom's wireless handheld technologies and student response system let teachers instantly assess students' comprehension and identify their misconceptions and errors, in parallel, without having to facilitate multiple voices or single out "quiet" students. ...more>>

  50. Radical Constructivism - Alex Riegler, Ed.
    People, organizations, and online papers that deal with radical, epistemological, psychological and educational constructivism and second order cybernetics. Includes general introductions, online books and papers, links, conferences, and a URL submission ...more>>


 
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