 Achievement Technologies
Educational software for learning math at all levels  primary education; GED; community college; adult basic education; correctional, vocational, and special education; mainstream instruction; or home schooling. K12 lessons are aligned to the NCTM Standards.
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 Active Elementary Number Theory: n^{2} + 1 and coprime increasing pairs of different parity  H. B. Meyer
An interactive study of coprime increasing numberpairs of different parity and their relations to divisors of n2 + 1. Requires JavaScript.
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 Advanced Algebra Through Data Exploration: A Graphing Calculator Approach  Key Curriculum Press
An allnew text that combines data exploration, handson activities, and the power of graphing calculators to enhance the content of advanced algebra.
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 Algebra Through Problem Solving  Hillman, Alexanderson
A nontraditional Algebra text (high school and early college levels) placed on the Web by the Science Education Team at Los Alamos National Laboratory. Browse it on the Web or download a PDF version. Chapter headings include: The Pascal Triangle; The
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 American Mathematical Association of Two Year Colleges (AMATYC)
A service for members and other interested professionals to review and receive current information on AMATYC's programs and activities and the activities of affiliates. Conference information, Job listings, list of available publications, how to join
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 AP Calculus Stillwater  Jim Bowen
Instructional videos narrated by Bowen, who teaches calculus at Stillwater High School (OK), cover limits, derivatives, related rate problems, optimization, integrals and integration, volumes of revolution, and integration by parts.
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 Apuntes  Andrés Coda; Universidad Nacional de Luján, Argentina
Calculus and applications, in Spanish. Maestría en Demografía Social  Matemática; Licenciatura en Educación Física  Introducción a la Matemática; Profesorado en Geografía  Elementos de Técnicas
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 Articulation in Mathematics Education  EXTEND  Perspectives in Mathematics Education
Links to articles on creating smoother transitions between education and work, between school and college and within sectors of higher education, and about preparing teachers to facilitate these transitions and students to respond to new environments.
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 Basic Concepts of Mathematics  Elias Zakon
This electronic text helps the student complete the transition from purely manipulative to rigorous mathematics. Chapters cover basic set theory, induction, quantifiers, functions and relations, equivalence relations, the real numbers (including consequences
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 A B Cron Portal  Auston B. Cron
GeoGebra applets by a teacher who has taught high school and early college students since 1970, and uses his dynamic geometry animations and interactive sketches in his classes to teach angle sums; perimeters and areas of rectangles and squares; reference
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 Beyond Crossroads  The American Mathematical Association of TwoYear Colleges (AMATYC)
Mathematics education standards for the first two years of college. This site provides access to the individual chapters of the standards in HTML or PDF format. In addition there are links to resources that illustrate the ideas in the document.
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 Boy's Surface (Student Sculpture)  Pau Atela, Smith College
A mathematical sculpture constructed by students at Smith College for an undergraduate course in the spring 2000 semester. The students worked with formulas and computer calculations to construct and weld a 6'7" x 6'7" metal sculpture reproducing Boy’s
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 Byzantine Basketball  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A problem (with solution) sent by Prof. W. McWorter's: Byzantine Basketball is like regular basketball except that foul shots are worth a points instead of two points and field shots are worth b points instead of three points. Moreover, in Byzantine Basketball
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 CalculusABC.com  Chris Watson
A site for calculus teachers to share questions they've written and discuss
issues relating to the field. Sort multiple choice questions according to calculator use and representation type (verbal, numerical, analytical, or graphical). With web forums
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 Calculus Made Easier: A Calculus Tutorial  Angela Olson
An introduction to the concepts of calculus. Basic limits, derivatives and integrals are defined. Includes a short resource list.
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 Calculus Videos  YouTube  Fred Mynard
This YouTube playlist of videos covers roughly a one semester university Calculus I course with narrated slides of typeset mathematics: limits, "squeeze" theorem, applications, continuity and discontinuity, the Intermediate Value Theorem, derivatives
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 Center for Innovative Learning Technologies (CILT)
Joining forces and leveraging resources to improve K14 education. Four theme areas have been defined as initial opportunities, with a "theme team" for each. Teams meet annually with the best minds in their fields from Industry, Research, and Schools
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 Central Office of Statistics, Malta
The COS collects statistics for the Maltese government. List of publications, tables of key data, and press releases.
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 Central Statistical Bureau of Latvia  Republic of Latvia
The statistics collection department of the government of Latvia. Key socioeconomic figures, press releases, list of publications, legal basis and history of the bureau. A version of the site is also available in Latvian.
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 Chain Rule Calculus Song  North Carolina School of Science and Mathematics (NCSSM)
Real Audio file of an original song, accompanied by piano, that teaches the chain rule, with example derivatives. Also listen to a tune about the product rule.
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 Cálculo para la Ingeniería  Salvador Vera Ballesteros
Temas, Problemas, Exámenes, Enlaces.
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 College Algebra  Marsha Austin, Oklahoma City Community College
A college algebra course to provide students with an understanding of the general concepts of relation and function and specifically of polynomial, exponential, and logarithmic functions; with the ability to solve system of equations by utilizing matrices
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 College Algebra PowerPoint Presentations  George Mathew
Free PowerPoint presentations on topics in early college algebra.
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 Community Colleges Home Page  Maricopa Center for Learning and Instruction
Community colleges are twoyear postsecondary educational institutions that offer certificate programs and Associate of Arts (A.A.) degrees. This site contains a searchable index to the web sites for more than 800 community colleges in the United States,
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 Complex Numbers and Trigonometry  Hillman, Alexanderson, Newton
A text that presents an innovative introduction to trigonometry through the use of complex numbers. It is based on a high school text now out of print, but is most useful as a supplement for early college students not quite ready for calculus because
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 Complex number to a complex power may be real  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A proof using Euler's formula.
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 Conics (Manipula Math)  International Education Software (IES)
Java applets to investigate the conic sections, including different ways to draw them, their reflective properties, and the shapes traced by shadows at different latitudes.
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 Convergence  Mathematical Association of America (MAA)
An online magazine encouraging the use of mathematics history as a learning and teaching tool. Convergence will include: math history articles that have a special pedagogical or learning appeal; sharing of classroom experiences; animated mathematical
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 Coop City  Peter Barricelli
A classroom project involving the construction of scale models of buildings and towns. In addition to teaching ratio and proportion, the process introduces the students to blueprint and CAD (Computer Aided Design) programs.
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 A Dice Game  Doug Ensley, Shippensburg University
In this game, two players roll dice repeatedly taking note of who has the higher roll each time. The original number of dice for each person and the number of rolls are set by the user. At the end, the percentage of wins for each player is displayed.
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 Digit's Website  Alex Vrenios
Downloadable short stories introduce mathematical concepts to early college students in a way intended to generate their interest.
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 Divide!  Andrew Starr
A web page used to demonstrate that if you divide any two integers, eventually the decimals will repeat.
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 Education Resources  Errol Hedges, moderator
A Yahoo Group devoted to totally free academic resources (> 2,500 links)all subjects, all grades (preschool to early university), basically an encyclopedia of education resources (excellent for home
schooling, etc.).
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 Elementary Differential Equations  William F. Trench
The freely downloadable textbook Elementary Differential Equations with Boundary Value Problems, published previously by Brooks/Cole Thomson Learning. Treating techniques and applications separately, the book progresses through first order equations,
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 Excel For Introductory Statistical Analysis  Prof. Hossein Arsham; University of Baltimore
An introduction to the basics of Excel and how to use it for statistical analysis.
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 Exploring Gravity  Becky Magan
A weeklong lesson plan for high school students and above, involving an experiment with dropped balls of different weights. Includes video, worksheets, grading rubric, experiment instructions, regression analysis, etc. Sample test data is supplied for
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 Federal Statistical Office Germany
The statistics department of the German government. Press releases; socioeconomic data, with brief articles and key statistics; tables of recent economic figures; population data for other countries; the purchasing power of the deutschemark. Methodological
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 Fractal Expressionism  Richard Taylor, Adam P. Micolich and David Jonas
Can science further our understanding of art? An article discussing the connection between fractals and Jackson Pollock's paintings.
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 Fractal Of The Day (FOTD)
An archive of James Albert Muth's Fractal of the Day images, with formulas and related discussion. (Images originally posted on the Fractal Art Discussion List.)
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 Frequently Asked Questions About Trigonometry  J. David Eisenberg
An interactive site that explains the ideas behind trigonometry. With Java applets for experimenting with triangles and audio files for hearing the pronunciation of trigonometric terms.
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 Fundamental Theorem of Algebra  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Some of the history of complex numbers, perfect numbers, irrational numbers, imaginary numbers, and the first proof of the Fundamental Theorem of Algebra (statement and significance), given by Carl Friedrich Gauss (17771855) in his Ph.D. Thesis (1799).
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 Gaussian Primes  Jim Loy
This is an introduction to Gaussian primes, complex numbers with integers for real and imaginary parts that are divisible by themselves and 1, but no other complex numbers with integer coefficients. This shows calculations of the first few Gaussian primes.
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 Gödel's Incompleteness Theorem  William Denton
Excerpts/quotes explaining Gödel's Incompleteness Theorem: any logical system contains a true statement that cannot be proven using that system's rules.
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 Graphe Easy  Olivier Ansquer
Featurerich yet easytouse 2d graphplotting Windows software. Demo version available. It allows users to draw many graph types (Cartesian, polar, parametric coordinates) and many other graphs such as conics, integrals, inequalities, or sequences. It
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 The Grid Game  Doug Ensley, Shippensburg University
A twoplayer game where the players alternate marking squares in a grid until there are none left. The first player chooses any single row or column and marks as many squares (at least one) as desired. The second player (the computer in this case) responds
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 Guide to the Mandelbrot Set  Paul Derbyshire
Explore the Mandelbrot set with a fractaldrawing program: images of wellknown portions of the set, their locations, comments on miniature images of the Mandelbrot set that arise from different formulas, and Julia sets.
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 The Hank and Ted Game  Doug Ensley, Shippensburg University
Also known as "The Gambler's Ruin," this is a simple gambling game in which two parties flip a coin at a wager of one "marker" over and over until one of the parties is out of markers. The player who benefits from a toss of "heads" is Hank, and the other
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 Heavenly Mathematics: Highlights of Cultural Astronomy  Helmer Aslaksen
An interdisciplinary course that begins by discussing the relative motion of the Sun, Earth, and Moon, and follows with other fundamental concepts of astronomy.
Course content includes astronomy, astrology, calendars (Gregorian, Chinese, Islamic, Indian),
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 Hyperbolic Angle  Robert G. de Boer
Exposition of a new presentation of the hyperbolic angle, together with hyperbolic functions sinh x and cosh x. The Cognitive Foundation section explains the rationale for this presentation order.
The author writes:
"The argument of hyperbolic functions
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 IFORS tutORial Project  Moshe Sniedovich
A library of selfcontained modules, each dedicated to a relatively small OR/MS topic, from the International Federation of Operational Research Societies (IFORS). Modules typically contain some of: text, images, computer code, animation, and user interface
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