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  All Sites - 6847 items found, showing 5801 to 5850

  1. Spirals of Primes - Bryan Clair, University of Chicago
    This page will generate a spiral of numbers, with the primes marked as stars, and the composites as dots. The center of the spiral is marked with an 'X'. Specify the number at the center of the spiral below, and the width (and therefore also the height) ...more>>

  2. Spirals (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on spirals of all kinds. ...more>>

  3. Spirograph - Anu Garg
    A Spirograph is formed by rolling a circle inside or outside of another circle. The pen is placed at any point on the rolling circle. This applet has changeable colors as well. ...more>>

  4. Sport Science - ESPN Internet Ventures
    ESPN videos that "uncover sports' biggest myths and mysteries by using cutting-edge technology to measure momentum, friction and the laws of gravity." Also available from http://espnrise.com/sportscience. ...more>>

  5. Sports Engineering Research Group - Matt Carré, Department of Mechanical Engineering, University of Sheffield (UK)
    Research projects, equipment development, teaching and education in pursuit of fundamental questions about impact, friction, the aerodynamics of game balls, sports surfaces such as the traction of cleats and other footwear, and more. See, in particular, ...more>>

  6. Spreading Memes - Cut the Knot!, Alexander Bogomolny
    First of a series of interactive columns for MAA Online that use Java applets to simulate a puzzle or mathematical problem, one not stated directly since the applets are intended to be such that the right answer to an as yet unstated problem should be ...more>>

  7. Spreading Rumors - Ivars Peterson (MathLand)
    Three people take longer to share their gossip than four people! This curious result arises out of the following mathematical problem: A group of friends love sharing their gossip. Each gossiper initially knows something that no one else in the group ...more>>

  8. Spreading the Word - Keith Devlin (Devlin's Angle)
    History of and commentary on early calculus texts. "The first calculus text hit the shelves in 1696. They have been growing steadily in size (if not mathematical content) ever since. That first genre-setting volume was Guillaume Francois Antoine de l'Hospital's ...more>>

  9. Spreadsheet Basics - Jan Garner
    Finding your way around spreadsheets; entering data; graphing with spreadsheets. ...more>>

  10. Spreadsheets in Education - Baker, Sugden; Queensland, Australia
    A new fully peer-reviewed electronic journal devoted to the use of electronic spreadsheets, such as Microsoft Excel, in education. The editors invite manuscripts from education professionals who make use of spreadsheets for the benefit of their students. ...more>>

  11. Spreadsheets, Mathematics, Science, and Statistics Education - Erich Neuwirth
    Information about spreadsheets with an emphasis on mathematics and statistics education. Spreadsheets in Education: Recommended Books; Papers about Spreadsheets in Scientific Journals and Books; Example Spreadsheets and Projects (mostly Excel 5.0); Further ...more>>

  12. SpreadsheetZONE - Pagos, Inc.
    This repository of Microsoft Excel spreadsheet templates contains a category of math learning tools that covers topics such as base system conversion, exponential functions, logarithmic functions, Cartesian coordinates, derivatives, goodness of fit, polar ...more>>

  13. Springer Science Online - Springer-Verlag New York Inc.
    Springer-Verlag (offices in New York, Barcelona, Berlin, Heidelberg, Hong Kong, London, Paris, Tokyo, and Vienna) has over 10,000 books in print, with 280 journals and magazines produced each year and over 1,500 new titles released annually to cover the ...more>>

  14. Springing a Physical Surprise - Ivars Peterson (MathTrek)
    Consider a weight hanging from a spring, which in turn is suspended by a piece of string from an identical spring attached to the ceiling. Cutting the connecting string would send the weight and the lower spring plummeting to the floor. Now add two "safety" ...more>>

  15. Sprott's Fractal Gallery - Julien C. Sprott, Dept. of Physics, Univ. of Wisconsin
    Images from programs and books by the site's author, with information about these books and software packages, and MSDOS software packages available for download. Every day a new fractal image is automatically generated on this page by a variation of ...more>>

  16. Sprouts for Spring - Ivars Peterson (MathLand)
    The game of sprouts has a way of growing on you. This two-person, pencil-and-paper game is simple enough that children can play it. Yet its intricacies provide much food for mathematical thought. The players start with a certain number of dots scattered ...more>>

  17. Square/Cube Roots without a Calculator - Math Forum, Ask Dr. Math FAQ
    How do you find the square root of a number by hand? How about cube roots? ...more>>

  18. Square of the Hypotenuse - Ivars Peterson (MathTrek)
    Some history of the legend of the discovery of the Pythagorean theorem: in his textbook The History of Mathematics, Roger Cooke of the University of Vermont describes how the Babylonians might have discovered the Pythagorean theorem more than 1,000 years ...more>>

  19. Square Root Calculator - Chris Misenheimer
    This interactive square root calculator calculates the square root of positive, negative, imaginary, and complex numbers, rounded to seven decimal places. Short articles include "Square roots and area," "Square roots without a calculator," and "What does ...more>>

  20. Square Roots without a Calculator - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about square roots without a calculator, from the divide-and-average technique to Newton's method to the continued fraction algorithm (CFA). ...more>>

  21. Squares and Square Roots, 1-100 - Math Forum, Ask Dr. Math Common Question
    A table of squares and square roots, 1-100. ...more>>

  22. Squares in a Checkerboard - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about how many squares or rectangles there are in a checkerboard or in an NxN square. ...more>>

  23. Square Wheel (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
    A square wheel may be the ultimate flat tire. There's no way it can roll over a flat, smooth road without jolting the rider again and again. Stan Wagon, a mathematician at Macalester College in St. Paul, Minnesota, has a bicycle with square wheels. It's ...more>>

  24. Squaring the Circle - MacTutor Math History Archives
    Linked essay covering the problem of squaring the circle in the form which we think of it today, which originated in Greek mathematics: given a circle, construct geometrically a square equal in area to the given circle. This article discusses the history ...more>>

  25. Srinivasa Ramanujan Aiyangar - S.Prasad
    A short biography of Ramanujan, with links to related Web pages. ...more>>

  26. Srinivasa Ramanujan - Sociedad Andaluza de Educación Matemática THALES
    Biografía de Ramanujan: Presentación; Formación; Trabajo; En Cambridge; Su obra; Bibliografía; Otras páginas de interés ...more>>

  27. SsgtMath - Ricardo Sinclair
    Ten to fifteen minute-long whiteboard introductions to Common Core State Standards (CCSS) ideas, geometry constructions, proofs, pre-college algebra, college algebra, and more. ...more>>

  28. SStreams: Mathematica - Andrzej Kozlowski, Ed.; e-NoteBooks Ltd.
    Links to Mathematica-related books and publications; developer, consulting and training companies; jobs requiring Mathematica; programs and packages to download free or for a fee; Web resources; and a section on skills: people with Mathematica programming ...more>>

  29. Stack Exchange
    A "free, community-driven Q&A" for people studying math at any level, and professionals in related fields. Post to understand mathematical concepts and theorems, share hints on problems, talk about the history and development of math, solve mathematical ...more>>

  30. Standard Deviation, Part 1 - Barbara Christopher
    Can the standard deviation pick the most consistent set of numbers? or Which city's temperatures vary the least, San Diego or San Francisco? An interactive project in which students use the Internet to find statistical data for the mean, standard deviation, ...more>>

  31. Standard Deviation, Part 2 - Barbara Christopher
    Do cities closer to the ocean have more consistent temperatures? A followup to Standard Deviation, Part 1. Students use the Internet to gather temperature data from 3 cities; calculate the standard deviation and percentage error of the gathered temperatures; ...more>>

  32. Standards for School Science and Mathematics: Background, Purposes, Goals, Principles - Lynn Arthur Steen, St. Olaf College
    A "sidebar" on background of the standards movement in science and mathematics education prepared for the National Science Foundation's "Indicators" study for 1995. In 1994 Indicators of Science and Mathematics Education. Washington, DC: National Science ...more>>

  33. Stand-up Mathematician - Matt Parker
    Parker uses funny presentations and hands-on activities to "make people more excited about maths." Watch videos of his comedy routines, including "Skills for bills," in which he introduces the notion of "standard meal units" for calculating each person's ...more>>

  34. Stardust Equations - Keith Devlin (Devlin's Angle)
    On Sunday, February 7, at 4:04 PM, a Lockheed Martin Delta II rocket lifted off from Cape Canaveral carrying an unmanned spacecraft about the size of an office desk, having the romantic name of Stardust. If all goes well, on January 15, 2006, the spacecraft ...more>>

  35. Star Grades: The Best Tutor - Star Grades.com
    Offers $20/hr online tutoring in multiple subjects, including SAT preparation. Package deals available. ...more>>

  36. StarLogo - Epistemology and Learning Group, MIT Media Lab
    A programmable modeling environment for exploring the workings of decentralized systems. With StarLogo, you can model (and gain insights into) many real-life phenomena, such as bird flocks, traffic jams, ant colonies, and market economies. StarLogo is ...more>>

  37. StatApplet - Marcus Kazmierczak
    A simple statistics program and a short outline of the underlying mathematics. The statistics applet calculates the sample mean and sample standard deviation, and constructs a 95 percent confidence interval for data values entered. ...more>>

  38. Statbag - Worth Swearingen
    A blog repository for statistics educators: "... each teacher should have a bag of tricks. Teachers spend years developing their own favorites. While acknowledging that experience is the best teacher, one purpose of this site is to help teachers develop ...more>>

  39. State Institute of Statistics (SIS) - Republic of Turkey
    The agency in charge of collecting statistics for the country of Turkey. Includes tables and charts of key social, economic, and environmental statistics and a dictionary of important statistics and economics terms arranged by subject. Some articles ...more>>

  40. State of the Art Mathematics - Carole B. Lacampagne; U.S. Department of Education
    Transforming Ideas for Teaching and Learning: a book that identifies ten ideas for transforming mathematics teaching and learning backed up by research or by promising practical experience. Includes the online document, references, and suggested reading. ...more>>

  41. States.org, the States Inventory Project
    The mission of the States Inventory Project is to build a comprehensive resource of infrastructure, initiatives and strategies for networking education, government and the public in each of the fifty United States. Funded by the NSF, it is a joint effort ...more>>

  42. Statiscope - Mikael Bonnier
    Statiscope presents summarizing data and descriptive statistical charts. In the applet you can enter data manually or download data over the Internet. Charts included: Distribution, Probability mass, Density, Box plot, Stem & leaf; also other features ...more>>

  43. Statista - Statista Inc.
    Statistics and other quantitative data on education, schools, employment, and hundreds of international industries, aggregated from more than 18,000 sources that include the Mendelsohn Affluent Survey, trade publications, scientific journals, and government ...more>>

  44. Statistical Assessment Service (STATS)
    STATS is a non-profit, non-partisan resource on the use and abuse of science and statistics in the media. Its goals are to correct scientific misinformation in the media and in public policy resulting from bad science, politics, or a simple lack of information ...more>>

  45. Statistical Consultants Ltd - Dion Walker
    Data analytics and other consulting services. See, in particular, the New Zealand company's blog, which dates back to 2010 with posts such as "Battle of Britain Casualty Data," "Gretl: A free alternative to EViews," "Life expectancy at birth versus GDP ...more>>

  46. Statistical & Data Analysis Software - NCSS Statistical Software
    Statistical analysis in a format that imports and exports all major spreadsheets, databases, and statistical file formats. ...more>>

  47. Statistical Education through Problem Solving (STEPS) - STEPS TLTP Consortium
    The STEPS consortium in the U.K. has developed problem-based modules to support the teaching of Statistics in Biology, Business, Geography, (Windows) and Psychology (Windows and Mac). The software is freely available to educational institutions, and can ...more>>

  48. Statistical Office of the Republic of Slovenia (Statisticni Urad Republike Slovenije) - Andrej Cedilnik and Tomaz Valantic
    The agency that collects statistics for the Slovenian government. Includes Slovenia in Figures, with comparison to other nations, information about the Statistical Office and the laws that regulate its activities, and a catalog of publications which ...more>>

  49. Statistical Rules of Thumb - Gerald van Belle
    This companion website to Statistical Rules of Thumb, published by John Wiley & Sons, Inc., offers free PDFs of chapter two ("Sample Size") and more than a dozen "monthly rules of thumb," such as "Use Text for a Few Numbers, Tables for Many Numbers, ...more>>

  50. Statistician Jokes - Verhagen, Gregg
    Material extracted from science jokes posted to rec.humor, sci.math, and a few other Usenet newsgroups. 43% of all statistics are worthless; 3 out of 4 Americans make up 75% of the population; 80% of all statistics quoted to prove a point are made up ...more>>


 
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