 SciPhilately: A Selective History of Science on Stamps  Maiken Naylor; Science and Engineering Library, Univ. at Buffalo, Buffalo, NY
Stamps from the personal collection of the author, Maiken Naylor, in the following categories: Astronomy and Cosmology; Instruments and Measurements; Mathematics and Computation; Chemistry; Evolution and the Fossil Record; Biology; Heredity and the Genetic
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 Scirus  Elsevier
A search engine that searches only those web sites containing scientific content, such as university web sites and author homepages, as well as the ScienceDirect database of scientific information resources drawn from thousands of journals and books.
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 sci.stat.edu  Math Forum
An unmoderated newsgroup focused on statistics education. Read and search archived messages; and register to post to the discussions. Also available at http://lists.psu.edu/cgibin/wa?SUBED1=edstatl&A=1.
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 sci.stat.math  Math Forum
An unmoderated discussion group for statistics, largely at the college or research level. Read and search archived messages; and register to post to the discussions.
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 scMaths: Singapore Primary Maths Explained  SC Eduware
Information and resources on primary level (ages 6 to 12) mathematics as taught in Singapore primary schools.
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 Scolasoft Edutainment  Guy Berthiaume
Educational shareware company, offering Math Flight (a basic operations drill game) and an educational software CD. Products for Windows platforms only.
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 SCORE! Educational Centers
An educational and entertaining site for parents and educators, with helpful articles on motivating and communicating with K8 kids, questions and answers, handson activities, interactive message boards, and a store.
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 ScottBeall.com  Scott Beall
Professional development programs for mathematics teaching and interdisciplinary curricula, emphasizing the integration of music and mathematics. With examples from his recent publication Functional Melodies  Finding Mathematical Relationships in Music
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 Scottish Research Information System
Provides information on Scottish universities' researchers, research groups, projects and services. Many of these include math related issuessearch for math or the topic of your choice to find them, or browse.
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 Scott Kim, Puzzle Master
A puzzle and graphic design creator, Scott Kim offers links to his online puzzles, a gallery of inversions (or ambigrams, words or names written so they read in more than one waysome read upside down, some flip in a mirror, some read as two different
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 Scout Report Signpost: QA  Mathematics  Internet Scout Project
A selected set of mathrelated Internet resources chosen by the editorial staff of the Scout Report. Resources are cataloged, classified, and arranged using existing taxonomies such as the Library of Congress Classification Scheme and the Library of Congress
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 Scrambled Grids  Ivars Peterson (MathTrek)
The socalled baker's map, or transformation, in dynamical systems theory. One special case: Start with a square. Stretch it to twice its original length
while making it half as wide. Cut the result in half, and stack one half on top of the other to
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 ScriviFacile Math Algebra  Alessandro Danieli
Learn basic operations with this readaloud Windows software that colorcodes each arithmetic step. Download a demo; purchase the full version.
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 Sculpture Generator  Ivars Peterson (MathTrek)
"Judging what a sculpture will look like after it is finished can present many difficulties for an artist just beginning a piece... Computer scientist Carlo Séquin of the University of California, Berkeley, specializes in the
computerassisted
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 SDK's Speed Math Tutor
'Speed Math Tutor using vedic methods' is a CD giving simple methods and techniques for speed computation in addition, subtraction, multiplication, squares and cubes. Audio explanation is given by a friendly character at every stage. Unlimited examples
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 The Seaborg Center  C. Wozniak, Northern Michigan University
The Glenn T. Seaborg Center for Teaching & Learning Science and Mathematics reflects Seaborg's belief that, in today's world, each citizen must have a solid base in the understanding of and appreciation for scientific concepts and the technology to
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 SeaGator.com  Tim Ousley
Statistical consultation, for help with the collection, analysis, interpretation, and presentation of data. For questions about statistics classes or homework problems, submit an online form or download Sea Gator Analysis Tools, custom Excel sheets for
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 Sean's Home Page  Sean Mauch
"For the past few years I have been working on an open source textbook. It contains material on calculus, functions of a complex variable, ordinary differential equations, partial differential equations and the calculus of variations...." This former
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 Search Ask Dr. Math Archives  The Math Forum
Search by keyword K12 math questions answered by volunteer 'math doctors' in the U.S. and abroad.
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 Search for Math on the Internet  The Math Forum
Keyword search of all searchable archives, Newsgroup archives, Dr. Math archives, Problems of the Week, Internet Math Library, or any combination thereof.
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 Searching for Information  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How do I find information by searching on the Web? Suggestions include ideas to try, archived T2T conversations on the subject, links to search tips on the Forum site and other popular search engines, and links
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 Searching For New Mathematics  Ivars Peterson
Peterson points out that nonmathematicians interested in keeping up with contemporary mathematical research face daunting obstacles: the high level of abstraction, unenlightening notation, and the format of journal papers all conspire to make any foray
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 Search Macalester PoW Archives  Stan Wagon; The Math Forum
A fulltext search of the archive of questions and answers of Stan Wagon's Macalester College Problem of the Week, hosted by the Math Forum, can be performed from this page.
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 Search MSRI Library Catalogue  Mathematical Sciences Research Institutes
Fill in the patterns (words or word fragment) you wish to search. The pattern can be from the title, author, subject, publisher, or series.
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 Search Netlib  Netlib Repository at UTK and ORNL
Netlib is a collection of mathematical software, papers, and databases. Another Netlib search interface (which indexes the same material) is available at
http://netlib.belllabs.com/netlib/search.html. Also search the NADigest.
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 Search New York Journal of Mathematics (NYJM)  Department of Mathematics and Statistics, State University of New York (SUNY) at Albany
Search the contents of all years of the journal, or search individual years, 1994present.
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 Search the Internet Mathematics Library  Math Forum
Select the desired Math Topic, Math Education Topic, Level, and Resource Type.
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 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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 Second Grade (AAA Math)  John Banfill
Interactive math exercises, lessons, and games covering basic arithmetic
concepts and methods, for second grade.
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 Second International Conference on MatrixAnalytic Methods in Stochastic Models  Alfa, Chakravarthy
Information about the Second International Conference on MatrixAnalytic Methods in Stochastic Models (1998). See also the First International Conference (1995) page. The proceedings are published as a book by Notable Publications, Inc.
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 Second Moment  Stone Analytics
A meeting place for academia and industry in the fields of applied statistics and analytics, showcasing cutting edge academic research. Also a resource for industry analysts and businesses interested in applying the latest statistical and analytical tools
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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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 Seeing Statistics  Gary McClelland; Duxbury Press
A browserbased statistics textbook that uses interactive Java applets to help students vizualize statistical principles. Registration is required; instructors may request an examination copy, and an introductory tour of a limited edition is available.
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 SeeMath.com  Tal Greengard
Free animations of mathematical concepts, with explanations: whole numbers, negative numbers, fractions, cups and counters, operations, carrying tens using base ten blocks, and more.
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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 Books Using Technology for Instruction  David Hill, Temple University
A list of books that use technology for instruction for linear algebra, numerical analysis, differential equations, and engineering.
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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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