- '05 Annual Performance Review: Albert Einstein - Peter Norvig
This parody of human resources formalities imagines how Albert Einstein's supervisor at the Bern Patent Office might evaluate his on-the-job performance. "This is a patent office, Albert.... Where does it say that your priorities are rewriting the rules
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- 0 to 0 power - Math Forum, Ask Dr. Math FAQ
According to some Calculus textbooks, 0^0 is an "indeterminate form"; in some cases we think about it as having one value, and in other cases as having another...
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- $1000 High School Calculus Student Award (Math Chat) - Frank Morgan, MAA Online
Solution to the challenge: Justin Smith calls 5939 a "right" prime because it remains prime after dropping any number of digits from the right: 5939, 593, 59, and 5 are all prime. How many right primes are there less than 1000? Is there a largest right
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- $1000 Math Chat Book Quest (Math Chat) - Frank Morgan, MAA Online
Solution to the challenge: On a beach in Oregon, at a certain moment, the very last bit of the Sun disappears below the horizon. The question is: Can I make that last bit of Sun reappear by jumping up quickly to my full height, or perhaps by very quickly
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- 125 Questions: What Don't We Know? - Science Magazine
Science celebrated its 125th anniversary with a look forward at the most compelling puzzles and questions facing scientists today. Accompanied by reader's forums and other online extras, this free news feature explores 125 big questions that face scientific
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- 12 coins problem - Frans Faase
A classic math puzzle: given a balance scale and 12 coins, one of which is counterfeit and weighs less or more than the other coins, determine the counterfeit in 3 weightings, and tell if it is heavier or lighter. Extensions to other cases and the general
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- The 14 Different Types of Convex Pentagons that Tile the Plane - Ed Pegg, Jr.
Diagrams of the 14 types, sources, and links to related pages on the Web.
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- 17Calculus
Concepts, examples, videos, and practice problems to help students better understand the concepts of precalculus, single variable calculus, multi-variable calculus, and differential equations. Formerly known as MathZar.
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- 1991 Mathematics Subject Classification (MSC) - Chris Eilbeck; Heriot-Watt University, Edinburgh
A hypertext version of the 1991 MSC. The main purpose of the classification is to help readers to find the items of present or potential interest to them as readily as possible - in MR, in Zbl, or anywhere else where this classification system is used.
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- 1ucasvb's lab - Lucas Vieira
Diagrams and animations from a longtime contributor to Wikipedia's math and physics articles. Posts, which date back to February 2013 and feature graphics coded in POV-Ray and PHP, include "Experimenting with sound: the polygonal trigonometric functions
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- $200 Double Bubble New Challenge (Math Chat) - Frank Morgan, MAA Online
Challenge: This open problem appears as Conjecture 4.10 in "Component bounds for area-minimizing double bubbles," by Cory Heilmann, Yvonne Lai, Ben Reichardt, and Anita Spielman (NSF "SMALL" undergraduate research Geometry Group report, Williams College,
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- 22nd Annual AMATYC Conference (Mathematics Archives) - John St. Clair, Editor
Presentations and contributed papers on mathematics education, improving quantitative literacy, multimedia in the classroom, real-world activities and applications, and more, from the proceedings of the Twenty-Second Conference of the American Mathematical
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- A 27-Vertex Graph That Is Vertex-Transitive and Edge-Transitive But Not 1-Transitive [PDF] - Peter Doyle
A paper describing a 27-vertex graph that is vertex-transitive and edge-transitive but not 1-transitive. While all vertices and edges of the graph are similar, there are no edge-reversing automorphisms. PostScript, source, and PDF picture are available
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- 2nd Conference for African-American Researchers in the Mathematical Sciences (CAARMS) - Rutgers University - DIMACS Center
The 1996 CAARMS conference: announcement, program, how to order the proceedings.
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- 30 Days of Problems for 30 Years of High School Math Competitions - Anne Arundel Community College
Thirty problems and their answers from high school math competitions held at Anne Arundel Community College during the past 30 years.
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- 3.1415926... - TWO-N, INC.
This visualization of the first four million decimal digits of π shows each of the digits 0-9 as a different colored pixel. Slide the navigator down to see the numeric "snow" representing the digits 500,001 through 4,000,000; search for any number
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- 3-D and SIRDS images - Jonathan Bowen
An archive of single image random dot stereo (SIRDS) and other 3-D images, together with related information and software. It is available via anonymous FTP. Plain text information on frequently asked questions concerning SIRDS, an index and a README
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- 3d Etc. - 3d Etc, Inc.
OpenGL for X-Servers - White Pine & Tenon; 3D Explorer and Mechanical Systems (Mathematica plug-ins).
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- 3D Math Explorer - TEBER Engineering & Education Software - Dursun Teber
Graphing software for plotting 2D and 3D data: a computer program that plots 2D and 3D graphs of mathematical functions and curves in unlimited graphing space. Features include 3D curve plotting in real time,
perspective drawing, graph scaling (zooming),
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- 3D Modeling, Fabrication and Illustration - Tom Longtin
Mathematically based models and examples of creating accurate patterns for non-convex polyhedra when material thickness is a concern. Links to illustrations of: Stained Glass Prototypes; VRML; Tensegrity Structures; Oc-Tet Truss Space Frames; Mechanical
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- 3D Nauta
A three-dimensional spatial, topological problem/game with Web interfaces in Spanish, French, and English. Of two versions of the game, one is accessible
to most people, while the other can be made difficult exponentially. You are invited to order your
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- 3D Strange Attractors and Similar Objects - Tim Stilson
A pictorial archive of "fsh" and polynomial strange attractors, chaos-game objects, and quaternion Julia sets, with links to books about chaos and strange attractors.
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- 3D-XplorMath - Richard Palais
3D-XplorMath creates visualizations of mathematical objects and processes. This tool has built-in algorithms for displaying mathematical objects such as plane curves, space curves, surfaces, conformal maps, polyhedra, ordinary and partial differential
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- 3rd Conference for African-American Researchers in the Mathematical Sciences (CAARMS) - Morgan State University, Baltimore, MD
The 1997 CAARMS conference: announcement, schedule, poster sessions.
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- 3TAP (Tableau-based Theorem Prover) - Reiner Hähnle, Bernhard Beckert, Stefan Gerberding
A many-valued tableau-based theorem prover developed at the University of Karlsruhe. It can be instantiated for arbitrary finitely-valued first-order logics, and it can handle equality (two-valued), sorts, and non-clausal input. Source code, a manual,
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- The 3x+1 problem and its generalizations (Organic Mathematics Proceedings) - Jeff Lagarias
The 3x+1 problem, also known as the Collatz problem, the Syracuse problem, Kakutani's problem, Hasse's algorithm, and Ulam's problem, concerns the behavior of the iterates of the function which takes odd integers n to 3n+1 and even integers n to n/2.
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- 4th Annual Conference for African-American Researchers in the Mathematical Sciences (CAARMS) - Rice University, Houston, TX
The 1998 CAARMS conference: schedule, conference attendees contact information. See also http://cm.bell-labs.com/who/will/caarms4.html.
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- The 4th Spatial Dimension
An introduction to the visualization of 4 dimensional space. Numerous resources.
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- 50 States' Certification Requirements - College of Education, University of Kentucky
Links to teacher certification requirements for all 50 states, as well as a K-12 job opportunities database.
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- 5½ Examples in Quantum Mechanics - Tom Kirkman
An informal textbook, introducing quantum mechanics with a grounding in classical mechanics. It tries to formulate problems in ways that allow easy translation into Mathematica code. Sets of problems at the end of each "chapter" provide extentions of
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- 5 Numbers - Simon Singh and Marcus du Sautoy, BBC Radio 4
Web pages and Real Audio Music downloads of fifteen minute-long radio broadcasts that take a "quirky look" at zero, pi, the golden ratio, i, and infinity. "Hear about the stark reality behind the imaginary number, try a slice of pi, find out about the
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- 6+1 Trait Writing (NWREL) - Northwest Regional Educational Laboratory
A scoring guide (rubric) not specifically for mathematical writing, but useful nonetheless. Subjects included: ideas and content, organization, voice, word choice, sentence fluency, and conventions. Also links to other Northwest Regional Educational Laboratory
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- 82 Games - Roland Beech
In-depth statistical coverage and analysis of the National Basketball Association (NBA). The site analyzes team-wide or player-specific shot selection and shot clock usage, production by position, player pairings, foul drawing, turnovers, and clutch play
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- 8 Foxes
A blog in which geometry questions of different levels are posted daily.
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- 8th International Congress on Mathematics Education (ICME)
ICME 8, July 14-21, 1996 in Seville, Spain. The Math Forum hosted the Web component of Topic Group 19 - Computer-Based Learning Environments. Complete abstracts and list of contributors; On-line electronic poster sessions. Part of a larger series of first-hand
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- A-1 All Subjects At-Home Tutoring Service® - Raymond La Barbera
Specializes in private, one-to-one, at-home instruction in all subjects, grades, levels, and tests. Instructions on hiring a tutor; links to tutorials; advice for working with A-1 All Subjects, and for starting your own tutoring business.
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- AAMT: Australian Association of Mathematics Teachers
A federation of affiliated associations representing all States and Territories within the Commonwealth of Australia, AAMT acts as a national network and council of mathematics educators. AAMT provides serial publications and a regular newsletter, resources
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- Abakus - Lothar H. Hofmann
Download a free Windows Japanese soroban-abacus. (Site is in Swedish.)
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- Abbott and Costello's Wacky Math - Ivars Peterson (MathTrek)
The Math in the Movies Web page provides an annotated list of films in which mathematics plays some sort of role. The choices range from the calculus lessons of Stand and Deliver to the mystifying numerology of the 1998 thriller Pi. Among the notable
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- The ABC Conjecture Home Page - Abderrahmane Nitaj
A statement of the abc conjecture, first formulated by Joseph Oesterlé and David Masser in 1985, with generalizations, consequences, tables, and a bibliography. Also abc theses, and relevant links.
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- Abelian Groups (Catalogue of Algebraic Systems) - John Pedersen, W. Edwin Clark; Dept. of Mathematics, University of South Florida
Definition, examples, structure, decision problems, spectra and growth, and references about Abelian Groups.
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- The Abel Prize - The Norwegian Academy of Science and Letters
The Abel Prize recognizes outstanding scientific work in the field of mathematics. Read about past honorees and the prize's namesake -- the first to prove the general binomial theorem -- including a scientific biography on the works of Niels Henrik Abel,
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- About a Line and a Triangle - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
An interactive page illustrating how the relation between the vertices and the sides of a triangle can be investigated by rotating the triangle.
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- About e - Math Forum, Ask Dr. Math FAQ
What is e? Who first used e? How do you find it? How many digits does it have? e = 2.71828... and is the base of natural logarithms.
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- About Temperature Sensors
A Web guide to contact (thermometers, etc.) and non-contact (thermal imagers, etc.) temperature sensors and their uses in temperature measurement. Includes vendors, displays, applications, meetings, and more.
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- About time - Keith Devlin (Devlin's Angle)
An essay on time in mathematics and engineering (the time that we measure and use to regulate our lives). How did we come to measure time in the first place? What exactly is it that our timepieces measure? And what scientific principles do we use to construct
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- The Absentminded Artist's Fractal Art Parade - Douglas R. Cootey
Fractal images treated as a photographer would treat a landscape, incorporating design and color composition into each piece. Images were made with Fractal eXtreme, Ultra Fractal, FractalPro, Lyapunovia, and Mand2000.
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- Abstract Algebra (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
An extensive list of links to sites with information about abstract algebra, classified by level and type of resource.
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- Abstract Algebra On-Line - John A. Beachy; Dept. of Mathematical Sciences, Northern Illinois Univ.
A site that contains many of the definitions and theorems from the area
of mathematics generally called abstract algebra, with information on integers, functions, groups, polynomials, rings, fields, structure of groups, Galois theory, unique factorization,
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- Abstract Algebra On-Line: Structure of Groups - John A. Beachy; Dept. of Mathematical Sciences, Northern Illinois Univ.
Excerpted from Beachy/Blair, Abstract Algebra, 2nd Edition, 1996, Chapter 7: Isomorphism theorems, automorphisms; Conjugacy; Groups acting on sets; The Sylow theorems; Finite abelian groups; Solvable groups; Simple groups. Excerpted from Abstract Algebra
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