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  All Sites - 7022 items found, showing 1251 to 1300

  1. Database of Number Correlations - James Barton
    Partitionings, prime factorizations, polygonal numbers, and other data about each of the numbers one through one thousand, as well as connections to "various material and occult phenomena." See also Barton's magic square that has interesting prime factor ...more>>

  2. Data Formats - Paul Bourke
    Documentation on geometric data interchange formats: Postscript, HPGL, Images, Audio, Medical, and Computer formats (binary files, ANSI Standard, ASCII codes, Latin 1 character set, mmencode, VT100 commands and control sequences).™ ...more>>

  3. Data Games - KCP Technologies
    As students play Data Games, they generate data that they must analyze to win the games. Supporting materials include a student worksheet; teacher guidelines that correlate the activity to the Common Core State Standards for Mathematics (CCSSM); and videos ...more>>

  4. The Data Library - Pat Daley
    Ongoing data-sharing projects, downloadable Excel spreadsheets, and other sources of data on the Web. Collaborative Projects - specific data collection projects that teachers and their students may become a part of; Data Sets that can be downloaded as ...more>>

  5. Datamath Calculator Museum - Joerg Woerner
    Historical calculators and educational toys, primarily from Texas Instruments. History of calculators, technical details, many interesting sidelights, including downloadable emulators. ...more>>

  6. Data Paint - Man Machine Interface, Inc.
    Statistical utility software for for MS windows 95, 98, NT4.0, 2000, that uses GUI (Graphical User Interface) language to link charts, graphs and statistical information about selected groups of data. For each graph and statistics window, there is a corresponding ...more>>

  7. DataStreme Atmosphere - American Meteorological Society
    A major precollege teacher enhancement initiative of the American Meteorological Society (AMS). Its main goal is the training of K-12 Weather Education Resource Teachers who will promote the teaching of science, mathematics, and technology using weather ...more>>

  8. Datexx On Line
    Personal electronics to purchase: basic calculators, clocks, computer accessories, desktop calculators, organizers, printing calculators, scientific calculators, toys and games. ...more>>

  9. DAU Math Refresher Tutorial - George Mason University
    An interactive tutorial that uses a subway map as a metaphor for moving through the lessons, giving a comprehensive view of basic mathematics, covering arithmetic, fractions, exponents, logarithms, quadratic equations, series, functions, limits, domains ...more>>

  10. Dave's Geometric Pix Gallery - David Joyce; Dept. of Mathematics & Computer Science, Clark University
    Mandelbrot and Julia sets, with a generation form and an Explorer on which you can point and click to get more refined images; Newton Basins and a form to generate them; a page describing tiling the hyperbolic plane; some wallpaper groups; a gallery ...more>>

  11. Dave's Mathematics, Education, Philosophy and Chreods Server - Dave Wilson
    Searchable math and mathematics education resources: an archive of preservice teachers' essays, the Teaching and Learning Enquiry Group, Chreods, a journal covering math education, and other writings. ...more>>

  12. Dave's Math Tables: Areas, Volumes, Surface Areas - David Manura
    Formulas for and diagrams of: areas of polygons (square, rectangle, parallelogram, trapezoid, circle, ellipse, triangles); volumes of polyhedra (cube, rectangular prism, irregular prism, cylinder, pyramid, cone, sphere, ellipsoid); surface area (cube, ...more>>

  13. Dave's short course on Complex Numbers - David Joyce; Clark University
    An introduction to complex numbers, including a little history (quadratic and cubic equations; Fundamental Theorem of Algebra, the number i) and the mathematics (the complex plane, addition, subtraction; absolute value; multiplication; angles and polar ...more>>

  14. David Bailey's World of Tessellations - David Bailey
    Some high quality tessellations of a "representational" nature, as exemplified by M.C. Escher. Includes notes on the designs themselves, the design process, the history of tessellations, and references. ...more>>

  15. David Goodman's Math Links - David Goodman, editor
    Link listings for a variety of topics, organized by those topics. ...more>>

  16. The David Mulhall Centre - David Mulhall
    Site with resources and suggested treatments for people with Dyslexia, Dyscalcula, Dyspraxia and Attention Deficit Disorder. Extensive site, linking to The David Mulhall Centres in London and the UK. ...more>>

  17. David Royster's Home Page - Dept. of Mathematics, Univ. of North Carolina-Charlotte
    Research and Scholarly Interests - Papers: Algebraic and Differential Topology; Use of Computer Algebra Systems in Mathematics Education. See also MAED 3103, a course for Secondary School mathematics teachers covering material drawn from Algebra I and ...more>>

  18. David's Math Pages - David E. Dirkse
    Freeware includes Graphics-Explorer (plotting equations, curve fitting, differentiate, integrate, use constants a,b,c changable at mouseclick, graphics adjust...), linEq (solve systems of lin. equations and watch Gauss-Jordan elimination step by step...), ...more>>

  19. DavidsoftNet - David Strauss
    A site that organizes and presents Texas Instruments (TI) calculator software and other resources on the Web in folders and categories, much like Yahoo. TI Calculator links are broken down into assembly coding sites, hardware sites, major sites, TI-85 ...more>>

  20. The Da Vinci Game - Martin Woods & Allison Carmichael
    A board game with 800 challenges, including 200 numerical Logic Key questions. These can involve solving equations, using probability or applying lateral thinking, such as in the question: "cone alone flour minus call". ...more>>

  21. Davitily Math Problem Generator - Nguyen, Ly; and Pardue, David
    Create worksheets and tests, including options for multiple choice, printable versions, and answer keys. Click to insert pre-worded questions in basic math, algebra, and geometry, the parameters of which vary randomly. Requires JavaScript. Also available ...more>>

  22. A Day at the Office (Global Citizen Project) - Georgia Perimeter College
    Your new boss assigns you to get on the Internet and find out as much as you can about data mining - who's doing it, why are they doing it, what benefits could the company receive if we did it, what software is available and the cost of the software, ...more>>

  23. DeadLine OnLine - Ionut Alex. Chitu
    Freeware that graphs equations and precisely estimates their roots. It includes the option to evaluate the function and the first two derivatives, find extrema of the function and integrate numerically. For Visual Basic-enabled computers running Windows ...more>>

  24. Deal or No Deal > Game - NBC
    A Flash version of the television game show hosted by Howie Mandel. Begin by choosing one of 26 briefcases. Each contains cash -- as little as one cent to as much as one million dollars. Then either stay with your original briefcase choice or make a "deal" ...more>>

  25. Dear Marilyn, About Leap Years (Math Chat) - Frank Morgan, MAA Online
    Your explanation [in Parade Magazine] of September 13, 1998 that we may need to skip a leap year EVERY FEW THOUSAND YEARS because the tropical year (about 365.2422 days) is a bit shorter than the average calendar year (365.2425 days) neglects CHANGES ...more>>

  26. Deberes matemáticas: Ejercicios y problemas de matemáticas resueltos paso a paso. - FORTEC, Formación y Tecnología S.L.
    Herramientas didácticas específicas para la enseñanza y el aprendizaje de las matemáticas de la E.S.O. Ejercicios, problemas, exámenes, temarios, todos resueltos y explicados paso a paso. Por suscripción. ...more>>

  27. Decibels (Math Chat) - Frank Morgan, MAA Online
    Challenge: The Christian Science Monitor of July 8, 1999, reports that "according to the NRDC, the amount of ambient noise in the ocean may have increased by 10 decibels - in other words, 10-fold - between 1950 and 1975." Is this correct? ...more>>

  28. Decimal Coins of the UK - Tony Clayton
    The change to decimal coinage: Decimalisation Day. D-Day was February 15th 1971. On that day the United Kingdom changed from the centuries old tradition of using 12 pence to the shilling and 20 shillings to the pound to a new decimal 100 new pence to ...more>>

  29. Decimal numbers (Middle School Math) - Homeworkhelp.com, Inc.
    A lesson on decimals: What is a decimal number? Converting fractions to decimals, and decimals to fractions; Adding and subtracting decimal numbers; Multiplying decimal numbers; Dividing decimal numbers; Rounding. ...more>>

  30. Decimal Places on a Number Line - NASA Lewis Learning Technologies Project
    Decimal places: On a number line, which of the following numbers would be the farthest to the right? 0.001, 0.0015, 0.00099, 0.0005. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  31. Decision Development Corporation
    Software for K-12 students and teachers, for all platforms. Math software included separately and as part of other product lines. (Gigamath Playground and Junior Gigamath Playground offer word problem practice for ages 7-14 and 4-8 respectively; Ellen ...more>>

  32. Decision Making Information - Model Education Systems Associates: MESA, Inc.
    MESA specializes in the development, implementation and use of decision support systems and related quantitative information resources, especially quantitative tools for research, evaluation and policy analysis directed toward children and their living ...more>>

  33. Decision Theory and Decision Trees - Mind Tools
    A method for organizing and analyzing financial decisions, and other decisions with clear numerical payoff. ...more>>

  34. Deck-u-lator - Michael B. Moore
    For your collectible trading card games, especially Magic: the Gathering. Deck-u-lator calculates the percentage that a card combination will occur in the first cards dealt off the top of the deck. The calculator uses multivariate hypergeometric distribution. ...more>>

  35. Deep in the Jungles - Ivars Peterson (MathTrek)
    Humans are predisposed to seeing order and meaning in a world that too often presents random choices and chaotic evidence. Random events sometimes get linked into a meaningful, though ultimately bogus, scenario... At the same time, the mathematics of ...more>>

  36. Deepwater Horizon Incident - The National Oceanic and Atmospheric Administration (NOAA)
    NOAA has put together a site full of resources about the Deepwater Horizon oil spill in the Gulf of Mexico. In the left margin, choose "Information for: Students and Teachers" to access data sets as well as articles for the classroom, such as a Q&A that ...more>>

  37. Defending the Roman Empire - Ivars Peterson (MathTrek)
    Questions of military strategy can be handled mathematically. Charles S. ReVelle of Johns Hopkins University in Baltimore and Kenneth E. Rosing, recently retired from Erasmus University Rotterdam, describe their approach in the August-September American ...more>>

  38. Defining Geometric Formulas (Ask Dr. Math FAQ) - Math Forum
    Definitions of two- and three-dimensional figures in general, and a note on dimensions. ...more>>

  39. The Definitive Four Fours Answer Key - David A. Wheeler
    From 0 up to 40,000, whole number mathematical expressions that use only common mathematical symbols and exactly four 4s. Wheeler offers his solutions in three different formats: an abbreviated list of answers; a text file of results, mathematical expressions, ...more>>

  40. Dekov Software
    Educational software, a journal of computer-generated Euclidean geometry, and a computer-generated encyclopedia of Euclidean geometry. Current software titles include: Solving Triangles (step-by-step solutions to triangle problems in elementary geometry); ...more>>

  41. Delaware State Data Center - Delaware Economic Development Office
    A focal point for the distribution of census information in Delaware and for the dissemination of other information from the federal government, state government and other sources, coordinating the use of census and other data for economic development. ...more>>

  42. Deliberative Discourse Idealized and Realized: Accountable Talk in the Classroom and in Civic Life - Sarah Michaels, Catherine O’Connor, Lauren B. Resnick
    An article in PDF format. Abstract: Classroom discussion practices that can lead to reasoned participation by all students are presented and described by the authors. Their research emphasizes the careful orchestration of talk and tasks in academic learning. ...more>>

  43. Delphi For Fun - Gary Darby; Intellitech Systems Inc.
    Delphi is based on the Pascal programming language developed in the early 1970s by Niklaus Wirth and named after mathematician Blaise Pascal. This site explores the use of programming as a tool in math problem solving, discussing interesting problems, ...more>>

  44. Delta Blocks - Hop David
    A way to model different 3-D tessellations and a tool for studying geometry, crystallography, and polyhedra. Delta blocks were inspired by M. C. Escher's print "Flatworms," which he said demonstrates that one can build a house not only with the usual ...more>>

  45. Demiregular Tessellations - Totally Tessellated
    Color renditions and a real example of a demiregular tessellation. Templates allow you to print renditions of each tessellation suitable for coloring activities. ...more>>

  46. De Moivre's Theorem - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about de Moivre's theorem, including its usefulness and proofs. ...more>>

  47. The De Morgan Journal - London Mathematical Society
    The De Morgan Journal aims "to encourage academic mathematicians to reflect on current issues in mathematics education at all levels, from primary school to graduate studies; to encourage them to explore links between higher mathematics and elementary ...more>>

  48. Demos with Positive Impact - David R. Hill and Lila F. Roberts
    Demos with Positive Impact organizes effective math teaching tools. Submit your own demo, or browse the existing collection of physical demos, calculator demos, databased demos, browser-based demos, and software demos, each with statements of objectives, ...more>>

  49. Demos with Positive Impact - David R. Hill and Lila F. Roberts
    A collection of classroom demonstrations that use some form of instructional technology. The authors invite others to submit demos and provide them with feedback on the demos already collected. Demos are organized under the levels of Pre Calculus, Calculus ...more>>

  50. Department of Mathematics and Computer Science - North Carolina School of Science and Mathematics (NCSSM)
    Learning materials for teachers and students include resources on algebra, advanced functions, and mathematical modeling; data sets used with the NCSSM textbook Contemporary Precalculus Through Applications; the AP Calculus Web Center; and Mathematics ...more>>


 
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