 Search the MacTutor History Archive  University of St. Andrews, Scotland
Search all or any combination of topics: Biographies; References; Quotations; History Topics; Bibliography; Famous Curves; Societies. With search suggestions.
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 Search the UK Mirror Service  Higher Education National Software Archives
Formerly HENSA, this UK service maintains copies of electronic archives from all over the world, providing access to a wide range of uptodate software for those using PC's and microcomputers. The indexes searched allow you to find software held in any
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 Seattle Fractals Digital Art  Doug Harrington
A fractal art site featuring highresolution digital fractal art prints for sale, and fractal art Windows 95/98/NT/2000 screensavers.
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 Secondary Math Units  Margaret Sinclair
Units for grades 912. For grades 910: Data Collecting in the Classroom, Algebraic Problemsolving using Spreadsheets (a unit that emphasizes moving from numerical to symbolic representation), and a newspaper review unit on the Skydome. For grades 1112:
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 The Secret Garden of Maths  Micky Bullock
Blog by a secondary school maths teacher (Forest School, London, UK) that aims to provide "maths to the masses," with a preference for illustrations via GeoGebra. Bullock describes his "paranoia [as] rooted in the average person's contemptible indifference
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 The Secret Lives of Numbers
A Java applet histogram exploring the relative popularity and cultural associations of every integer between 0 and one million. Numbers such as 212, 486, 911, 1040, 1492, 1776, 68040, and 90210, for example, occur more frequently than their neighbors
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 Secret Millionaires Club  A Squared Entertainment LLC
Lessons, webisodes, and prime time specials that use reallife situations to teach young people how to succeed in life and in business. See, in particular, the free financial literacy classroom materials available through the Learn and Earn promotion.
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 Secrets of the Beehive  Keith Devlin; Guardian Unlimited Archive
The 4th century geometer Pappus was one of several ancient Greek mathematicians who suspected that the elegant shape of the honeycomb was a result not of an innate beesense of geometric beauty but of nature's efficiency. The repeating pattern of sixsided
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 Secrets of the Fathom Masters  Tim Erickson
"Get your Fathom questions answered here" by a member of Key Curriculum Press' design team that developed the software for data analysis and statistics education. When Erickson needs to write instructions for some procedure using Fathom, he posts them
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 Seedbed  Tom O'Brien, ed.
Throughout the 1980s, Seedbed published articles on "the intellectual growth of children, and teachers' participation therein." Editor Tom O'Brien described the publication as a practical one, "where teachers are the principal authors and where teachers'
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 SEED  Math Puzzles  Schlumberger Excellence In Educational Development (SEED)
Creative puzzles, with solutions, in number sense; arithmetic; probability; algebraic thinking; geometry, spatial reasoning and visualization; topology; logic; combinatorics; and more. Also available in Arabic, Russian, and Chinese.
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 Seeing and Learning Astronomy and Cosmology Through the Lens of Music  Sloan Edward Williams III  YaleNew Haven Teachers Institute
Exploring music, astronomy and cosmology, starting with the historical roots; the Pythagoreans in particular contributed profoundly to the development of Western Music by discovering two facts: first, that the sound caused by the
string depends on the
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 Seeing Math Secondary: Interactives  the Concord Consortium
Seeing Math has developed interactive software Java tools to clarify key mathematical ideas in middle and high school mathematics. Each interactive provides a realtime connection between representations of the mathematics (symbolic, graphical, etc.),
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 Seeing Red  Keith Devlin (Devlin's Angle)
Though it is fashionable to talk about the mind as a computer, a better description is that it is a pattern former/recognizer... The problem facing the computer scientist trying to equip a computer with vision is how to simulate
this pattern creation/recognition
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 Segments of Circles  Math Forum, Ask Dr. Math FAQ
Given partial information about a segment of a circle, how do you compute what you want to know?
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 Selected Internet Calculator Resources  Math Forum
Selected Internet resources for integrating calculators into the math classroom, one of the Math Forum's series of pages dealing with issues in math education. curricular resources (articles, courses, textbooks); graphing calculator resources; online
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 Selected Papers  Louis A. Talman
"An Unfortunate Metaphor" [the assembly line], Notices of the American Mathematical Society, 40 (1993); "Weekly Journal Entries  An Effective Tool for Teaching Mathematics," Using Writing To Teach Mathematics, MAA Notes, No. 16, Mathematical Association
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 The SELECT Math Project  Boston Public Schools
The SELECT (Supporting Engaged Learning by Enhancing Curriculum with Technology) Math Project is a Boston Public Schools resource that features over 200 links to webbased virtual manipulatives and resources that directly support the mathematics curriculum
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 Self Portrait at Age 13: Albrecht Durer 1484  Ralph Martel
A paper illustrated by a PowerPoint slide show to demonstrate how Albrecht Durer used geometry in his art work from the age of thirteen. This paper by Martel is one of a series that he is writing on mathematics and art. Suzanne Alejandre wrote a teaching
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 SelfReference and Apparent SelfReference  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Various paradoxes, real and imagined, including verbal, logical, and mathematical examples, and links to: Blinking page with errors; Apparent paradox; Set of all subsets; An Impossible Page; Russell's paradox; and An Impossible Machine.
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 Selfsimilarity  Robert L. Devaney; Dept. of Mathematics, Boston University
A section from the paper "Chaos in the Classroom," describing selfsimilarity, with the example of the Sierpinski triangle.
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 SEMAA: Science, Engineering, Mathematics, and Aerospace Academy  NASA's Glenn Research Center; Cuyahoga Community College
Created to expose historically underrepresented youth to activites in the fields of science, engineering, mathematics, and technology, SEMAA offers information about its classes and program as well as links and contact information.
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 Semiregular Tessellations  Totally Tessellated
Color renditions and real examples of the semiregular tessellations. Templates allow you to print renditions of each tessellation suitable for coloring activities.
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 Sending Mathematical Communications Electronically  Dave Rusin
Mathematical ideas sent via email tend to get rapid responses, and allow for precise earmarking of passages needing comment. There is however the problem of communicating the wide array of symbols and diagrams in a medium which should be assumed to use
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 Sense and Dollars  Maryland Public Television
The Sense and Dollars project helps middle and high school students learn about and practice effective ways of earning, spending, saving, and investing money in a safe, interactive environment. Activities include: Earning Money (All About the Benjamins,
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 SEN Teacher Resources
Resources, freeware downloads, links and documents for those involved in the education of pupils with learning difficulties, autism and other special educational needs. Some of the materials may also be of use to teachers and parents of primary aged children.
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 Septangle  Paul Nahay
Play the game, Septangle, online! Septangle is copyrighted by Dr. Paul Nahay, (DMA, Stanford University 1983).
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 SEQual Project (Statistics Education in Quantitative Literacy)  Indiana University of Pennsylvania
A Pennsylvania project to help teachers use statistics in the classroom. Workshop information, newsletters, and lesson plans; some lesson plans include sample worksheets or journal entries: Origami Frogs, The Wave (on how long it takes to do "the wave"
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 Sequence and Series (calculus@internet)  WebPrimitives, Cambridge, Massachusetts
Links to Web pages for resources for sequences and series in calculus.
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 Sequence Cracker  Aleksandar Jus
A free Android app that challenges you to provide the next digit, given a sequence of numbers.
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 Serendip  Bryn Mawr College
An expanding forum and a continually developing set of resources for exploring and supporting intellectual and social change in education, social organization, and for making sense of life, organized into: Brain and Behavior, Complex Systems, Biology,
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 Series Simulator  Doug Ensley, Shippensburg University
A program that allows you to use a random number generator to simulate a series
with parameters specified by you.
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 SERVE
An education organization promoting and supporting the continuous improvement of educational opportunities for all learners in the Southeast United States. SERVE provides resources, services, and products in the program areas of assessment, accountability,
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 Sessions on Assessment at the AMS/MAA Joint Meetings  The Math Forum
The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on assessment.
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 Sessions on Calculators, 1997  Joint Meetings, AMS/MAA, San Diego, CA
The Use of HandHeld Technology in the Teaching and Learning of Mathematics: a selection of presentations about calculators from the AMS/MAA Joint Mathematics Meetings, 811 January 1997, San Diego, CA.
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 Sessions on Humanistic Math at the AMS/MAA Joint Meetings  The Math Forum
The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on the scholarship of humanistic mathematics.
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 Sessions on Minority Issues  1996 AMS/MAA Joint Meetings, Orlando, FL
Excerpts from the program for the Joint Mathematics Meetings, January 1013, 1996, in Orlando, Florida: panel discussions and other relevant presentations.
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 The Set Game Company  Set Enterprises Inc.
SetGame is a family game of visual perception. Take the Java tutorial; learn the math behind the game (create a 3x3 magic square with SET cards, learn why the largest possible "no set" contains 20 cards, explore set theory and set operations involved
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 The SET Home Page  Magliery, Weeks
A page "dedicated to the entertaining and highly addictive game of SET." The object of the game is to identify a 'Set' of three cards from 12 cards laid out on the table. Each card has a variation of the following four features: color, symbol, number
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 Set Theory and Foundations (MathPages)  Kevin Brown
About 30 "informal notes" by Kevin Brown on set theory and foundations: what is fuzzy logic, fractal logic, Cantor's diagonal proof, are all triangles isosceles?, on Gauss's mountains, problems with the luminiferous aether, and many more.
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 Setting Up A Web Site For Your School: An Online Presentation  George Cassutto
A presentation by George Cassutto of North Hagerstown High School, Maryland, first developed for online display at the 1996 MICCA Conference in Baltimore, MD, and expanded for use at the 1997 Connected Classroom Conference. Not meant to be a definitive,
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 Seventeen Kinds of Wallpaper Patterns  Mathematics Museum (Japan)
Examples of the 17 wallpaper groups in Japanese culture. Also available in Japanese.
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 Shack's Math Problems  Michael Shackleford
Pages of math problems ranging from basic math to differential equations. Each problem comes with a difficulty rating from one to four stars, roughly a measure of how much time it took Shackleford to do the problem. Includes answers and, usually, solutions.
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 Shadow Con  Champagne, Zak; Flynn, Mike; and Meyer, Dan
A teacherled mini conference hosted during the twilight hours of the 2015 annual meeting of the National Council of Teachers of Mathematics (NCTM) in Boston, MA. Shadow Con's six speakers each offered "a provocative call to action," with subsequent local
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 ShadowFax Cluster Rant  A. Jorge Garcia
Garcia blogs about teaching math and computer science with technology (such as SmartBoards), learning math and computer science with technology, and the LinuxClusters super computer called ShadowFax. Posts, which date back to May, 2009, have included
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 Shady Puzzles  LambdaMu Pte Ltd
A logic and elimination (disjunctive syllogism) puzzle: the column and row headers identify the number and spacing of shaded squares within a gridplace shaded squares where they belong according to those guides. The site includes a history of the puzzles,
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 Shai Simonson
Shai Simonson is an associate professor of computer science and mathematics at Stonehill College. The site contains the article "How to Read Mathematics," which uses the probability of two people having the same birthday as an example. The site also
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 Shapari and Curvay  Spelunk Computing
Windows software designed to allow children to produce abstract and fractal patterns from simple shapes and operations. Shapari offers 5 levels of difficulty, allowing children to challenge their visualization abilities by matching computer generated
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 Shape and Space in Geometry (Teachers' Lab)  Annenberg Media
This lab, based on the professional development series and workshops broadcast on the Annenberg/CPB Math and Science Project Channel, explores the properties of objects (angles, surfaces) and the consequences of how these objects are positioned (where
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 The Shape of Space  Jeff Weeks
This textbook surveys the basic geometry of two and threedimensional spaces — stretching students minds as they learn to visualize new possibilities for the shape of our universe. Contains illustrated examples and engaging exercises intended to teach
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