- Andrei Nikolaevich Kolmogorov - Alexander Adamchuk
Curriculum vitae, biography, conference announcement, memorial readings, and links about Andrei Nikolaevich Kolmogorov.
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- Andrew M.H. Alexander
JavaScript by Alexander includes "the gear seer," which shows not just bike gear ratios but gear inches and meters development. Input wheel and tire size to see speed at a given cadence. This bicycle drivetrain visualizer further compares different drivetrains,
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- Andrew Odlyzko
Home page of the Head of the Mathematics and Cryptography Research Department at AT&T Labs. The site contains a comprehensive list of his papers, most of which may be downloaded in LaTex, PDF, or PostScript form if they are not available as plain
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- Andy Norton's Web Page - Dept. of Mathematics Education, Univ. of Georgia
Illustrated essays and explorations of algebra and geometry using various technology, including TI-85 calculators, CBL's and computer software such as Geometer's Sketchpad (with sketches to download), Algebra Expressor, and Excel, by a grad student in
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- The Angle Bisectors - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A discussion of why the angle-bisectors of a triangle meet at the incenter of the triangle, in several different ways, involving: cevians, the transitivity property of equality, axes of a 2-line, altitudes and orthic triangles, and complex numbers.
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- The Angle Defect of a Polyhedron (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
The angle defect at a vertex of a polygon is defined to be 2 pi minus the sum of the angles at the corners of the faces at that vertex. What is the angle sum for a polygon (in the plane) with n sides? Determine the total angle defect for each of the 5
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- Angles and angle terms - Mark Motyka, Math League Multimedia
Definitions and illustrations: What is an angle?; Degrees: measuring angles; Acute angles; Obtuse angles; Right angles; Complementary angles; Supplementary angles; Vertical angles; Alternate interior angles; Alternate exterior angles; Corresponding angles;
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- Angles of Reflection - John Benson and P. J. Karafiol
A back-and-forth intergenerational blog on math education, begun in January, 2011, by two Presidential Awardees in Mathematics from the state of Illinois.
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- AngryMath - Daniel R. Collins
Blog by an adjunct math lecturer at Kingsborough Community College who believes that "Math is a battle. It is a battle that feels like it must be fought ...," and for whom "math isn't beautiful or fun, but it is powerful, and that's what we need from
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- Animals & Art - M. Crook
A gallery of fractal images created using Ultra Fractal.
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- Animated Educational Software - FLIX Productions
Shareware for PC platforms, including programs designed to teach children about money, time-telling, shapes, math (counting, addition, subtraction for pre-K through 1st grade), and multiplication and division (for 1st-3rd graders).
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- Animated Math Glossary - Math Advantage - Harcourt Brace School Publishers
A K-8 glossary of common mathematical terms, categorized by grade. Each entry has an example, most of which are animated. An "other" section at the end of the alphabet gives tables of metric and customary measurements, time, formulas, and symbols. You
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- Animated Proof of the Pythagorean Theorem - Mark D. Meyerson; Mathematics Dept., U.S. Naval Academy
Starting with a right triangle and squares on each side, the middle size square is cut into congruent quadrilaterals (the cuts through the center and parallel to the sides of the biggest square). Then the quadrilaterals are hinged and rotated and shifted
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- The Animated Telegraph Equation - Joel Feldman; Department of Mathematics, Univ. of British Columbia, Vancouver, BC, Canada
An applet illustrating the behaviour of solutions of the telegraph equation.
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- Anisohedral Tilings Page - John Berglund
Tilings and tessellatings with 2-anisohedral and other isohedral tilings. With explanations and a bibliography. Berglund's JavaSketchpad applets include circles in a lattice shape; affine polygons, which extends Napoleon's theorem from a triangle to a
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- Annals of Functional Analysis (AFA) - M. S. Moslehian, Editor-in-Chief
The Annals of Functional Analysis (AFA) is an international electronic journal publishing research papers of high standards and critical survey articles mainly on Functional Analysis (MSC46) and Operator Theory (MSC47).
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- Annenberg Institute for School Reform (AISR) - Brown University
The Annenberg Institute develops, shares and acts on knowledge that improves outcomes of schooling in America, especially in urban communities and in schools serving disadvantaged children. Institute Projects: Rethinking Accountability; Building Capacity;
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- Annie's Sketchpad Activities - Annie Fetter
Handouts for activities that incorporate JavaSketchpad, including: making a presentation sketch; investigating the properties of quadrilaterals; the Euler segment; morphing a simple figure to a circle; Napoleon's theorem; drawing a box and its net; and
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- Ann McCallum Books - Ann McCallum
Lessons and puzzles to extend the math fairytales and history/mystery math project books by McCallum, author of The Secret Life of Math, Rabbits, Rabbits Everywhere: A Fibonacci Sequence, and Eat Your Math Homework: Recipes for Hungry Minds. McCallum's
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- Annotated Bibliography of Software Resources (The Chaos Hypertextbook) - Glenn Elert
An extensive annotated list of software related to Elert's Chaos Hypertextbook. Major categories include: Chaos (Dynamical Systems); Iterated Function Systems (IFS); Lindenmayer Systems; Mandelbrot & Julia Sets; Music; Newton's Method; Terrain &
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- The Annual Maritime Mathematics Competition - Department of Mathematics and Computer Science University of Prince Edward Island, Canada
Consisting of six challenging, high school-level math problems requiring written solutions, this competition seeks to foster interest in mathematics, increase public awareness of mathematics, and encourage students to develop mathematical and problem-solving
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- Annual Pi Day - The Exploratorium, San Francisco, CA
"Founded by the the Exploratorium's own Prince of Pi, physicist Larry Shaw, Pi Day has become an international holiday, celebrated live and online all around the world." Read a brief history of pi; find activities for cutting π and wearing π; and
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- Another Record Prime - Ivars Peterson (MathLand)
This time, it didn't take a supercomputer. The new record for the largest known prime number goes to someone using a Pentium-powered desktop machine. Joel Armengaud, a computer programmer working for Apsylog in Paris, made the discovery on Nov. 13 and
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- Answer Ace - MathSupport Co.
A Windows 95/98/NT math problem solver that helps students learn or review arithmetic, pre-algebra, and basic algebra skills. Students enter specific problems and the software provides answers along with step-by-step help. A free trial is available for
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- Answers to Frequently Asked Questions about Principles and Standards for School Mathematics - National Council of Teachers of Mathematics (NCTM)
Why do we need the NCTM Standards? Why did NCTM update its original Standards? What is Principles and Standards for School Mathematics? What makes Principles and Standards for School Mathematics different from the original Standards? What are the Principles?
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- anthropic-principle.com - Nick Bostrom
A site on 'Anthropic reasoning', which involves concepts such as probability, objective chance, rationality, and observers. See problems like the Doomsday argument.
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- Antiprism - Adrian Rossiter
A set of programs for generating, manipulating, transforming, and viewing models of polyhedra. Open source, via the MIT license.
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- Ant Math (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
Imagine stepping into a pitch-black room. How might you figure out the room's size in the dark? You could, for example, carefully follow the walls and count how many steps you took going from one corner to the next all the way around. That would give
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- AP Analysis of PDEs (Front for the Mathematics ArXiv) - Univ. of California, Davis
Partial Differential Equation preprints, from the U.C. Davis front end for the xxx.lanl.gov e-Print archive, a major site for mathematics preprints that has incorporated many formerly independent specialist archives. Search by keyword or browse by topic.
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- ap-calc - The College Board, Math Forum
The Advanced Placement Calculus mailing list is hosted by The College Board and archived by the Math Forum. Designed for pre-college students preparing for AP tests, the level of discussion and the explicit relation to the college sequence may also make
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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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- AP Calculus TI 89 Program - Nils Hahnfeld
Calculator program for the TI 89 which animates calculus concepts and computes answers. Covers the entire AP Calculus (AB & BC) curriculum. Screen shots and a list of functions available at the site, as well as documentation.
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- AP Central - The College Board's Online Home for AP Professionals - The College Board
A free site for all those involved in or interested in the AP Program, including new and experienced teachers, coordinators, counselors, college faculty, and school and college administrators, offering a growing set of resources - course descriptions,
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- AP Computer Science - College Board Online
General information about exams and courses (A and AB), links to archives of free-response questions in C++, the AP CS mailing list, development committee access, related websites, and an on-line store for College Board books. Maintained by the College
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- Apex Learning - Apex Learning
Standards-based online curriculum for secondary education in the core academic subjects and Advanced Placement, available in multiple formats or packages to address differing purposes and populations: enrichment, credit recovery and remediation, virtual
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- APICS Mathematics Competitions - Atlantic Provinces Council on the Sciences
Download PDFs of competition guidelines or of recent APICS Mathematics Competitions in French or English. Link to competitions dating back to 1978.
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- Aplusix: Software for Learning Algebra
Software for helping students learn algebra. In English, French, Portuguese. Includes classical exercises and word problems, with various levels of assistance. It contains 400 patterns of exercises for numerical calculation, expansion, factorization,
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- APlusStudent Online Learning
Interactive math lessons with graphics, animation, and audio, based on Micromedia Flash technology. Teacher-designed, standards-based lessons. Parents can monitor the progress of their children. There is also homework help and an online gallery where
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- Apogee Tutors - Vimal Patel
Danbury, CT based tutoring services. We provide one-on-one tutoring, group tutoring for middle school through college students.
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- Apophenia - Ben Klemens
An open statistical library for C. Similar to other statistics packages in function, Apophenia does not commit the user to an ad hoc language or environment, but rather keeps data in a database. Download the library, or contribute your own routines.
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- Appealing Numbers - Ivars Peterson (MathTrek)
A short history of amicable numbers - pairs in which each number is the sum of the proper divisors of the other. The smallest such pair is 220 and 284. The number 220 is evenly divisible by 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, and 110, which add up to
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- Appetizers and Lessons for Math and Reason - Alan Selby
Logic Appetizers to test or or improve reading, writing and thinking skills, with definitions, concepts and proofs in many subjects (Chains of Reason; One or Two-Way Implications; Islands & Divisions of Knowledge; Deception); Advice (How to Study
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- Apples4theteacher.com - Judy Miller
Free interactive early math learning games in JavaScript. Activities reinforce measurement, telling time, shapes, counting, tangrams, and counting money; and some have a specific holiday theme. Counting in Spanish, Polish, and Gaelic also offered.
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- Apples A Peel To Me (SMILE) - Olga Moreno, Horace Greeley School
A K-1 lesson designed to teach students to understand real and representational graphs; to recognize some different varieties of apples; and how to gather, record and interpret data. From the Graphs and Visuals section of a collection of almost 200 single
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- Applet Library (Project Links) - Rensselaer Polytechnic Institute
A library of applets in calculus; linear systems; differential equations; probability and statistics; and advanced math methods. Applets: Balance Applet; Beats; Bicycle Pedal; Bicycle Frame Angle, Frame Force, and Frame Length Analysis; Budget Optimization;
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- Applets for "Random Signals and Noise" - G. Tong Zhou, Georgia Institute of Technology
Eleven Java applets to experiment with: the relative frequency approach to probability; random variables from known distributions; random variables from user-defined distributions; the Central Limit theorem; consistency of the sample mean estimator; select
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- Application of Rayleigh's Short-Cut Method to Polya's Recurrence Problem [PDF] - Peter Doyle
Doyle's Ph.D. thesis at Dartmouth College, June 1982. The goals of the presentation are to explain why Polya's theorem is true and to develop techniques for applying Rayleigh's method. The main results make sense of the notion that if two graphs look
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- Applications and Misapplications of Cognitive Psychology to Math Education - Anderson, Reder, Simon
A critical view of constructivism by three leading cognitive psychologists at Carnegie Mellon University. Decomposition and decontextualization; situated learning; constructivism; recommendations for research and instruction; overall conclusions; references.
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- Applications of Imaginary Numbers in the Real World - Bradley Chung
An exploration of typical questions about imaginary numbers, such as "Can you show me examples of imaginary numbers in the real world?" and "Are there any practical applications of imaginary numbers?" Lessons include "Mapping Imaginary to Physical"; "Complex
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- Applied Algebra Group - Dept. of Mathematics, Johannes Kepler Universität Linz, Austria.
This group has formed around Prof. Günter Pilz. One of its main research interests lies in near-rings: generalised rings that might generally be described as rings (N,+,*) where the addition is not necessarily abelian and only one
distributive law
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