 Geomview: 3D Visualization Software  The Geometry Center
An interactive program written by the staff of the Geometry Center for viewing and manipulating geometric objects. It can be used as a standalone viewer for static objects or as a display engine for other programs that produce dynamically changing geometry.
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 Getting Across the River  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions such as "A man has a goat, a wolf and a cabbage. He must cross a river in a boat that will only carry one item at a time...."
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 Golden Ratio, Fibonacci Sequence  Math Forum, Ask Dr. Math FAQ
About the Golden Ratio (or Golden Section or Golden Mean), the Golden Rectangle, and the Fibonacci Sequence.
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 Googol, Googolplex  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about googols and googolplexes, such as who coined the terms, how big they are, whether it is possible to hold a googol in your hands, and more.
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 Graduate School in Your Future?  Dianne Prost O'Leary
Written by a former director of undergraduate studies attempting to smoothe the transition from undergraduate to professional, this document offers advice to students on entering, surviving, and thriving during graduate study and beyond. Graduate School
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 GraphCalc  Mike Arrison
A graphing calculator program for Windows. Features include threedimensional graphing, calculus, and statistics. Download a shareware version, read online documentation, request a feature, or read about the authors.
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 Greater Than, Less Than Symbols  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about "greater than" (>) and "less than" (<) symbols, such as memory aids for telling the difference between the two.
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 Handheld Software Applications  Texas Instruments, Inc.
Software applications and programs made available for downloading as a noncommercial service to benefit TI graphing calculator owners. Programs are offered for each of Texas Instruments' graphing calculators, CBL, and CBR, as well as calculator program
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 Helping with Homework  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How can I help my child with math homework?
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 A Hen and a Half  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the rate of eggs laid by chickens: "If a chicken and a half lays an egg and a half in a day and a half ..."
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 Heron's Formula  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about Heron's formula, including proofs, derivations, and applications of it.
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 How Many Animals?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions such as "Joe counts 48 heads and 134 legs among the chickens and dogs on his farm...."
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 How Many Handshakes?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions such as "There are 40 people in a room. They shake each other's hands once and only once...."
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 HyperTeX FAQ  Bhattacharya, Carlisle, et al.
HyperTeX is a defacto standard for inclusion of hyperlink information in TeX (and LaTeX) documents. Customized previewers for DVI and Postscript files exist which
enable the user to browse through hyperlinked TeX files just as one can browse normal HTML
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 Imaginary Exponents and Euler's Equation  Math Forum, Ask Dr. Math FAQ
What does it mean to have an imaginary exponent? Two different proofs, a consequence, and an application of Euler's Equation.
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 Imaginary Numbers in Real Life  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about imaginary numbers in real life, such as where imaginary numbers are used today in real life and who uses them.
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 Imaginary Numbers  Math Forum, Ask Dr. Math FAQ
What is an imaginary number? What is i?
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 Impossible Constructions  Math Forum, Ask Dr. Math FAQ
Problems from antiquity: trisecting an angle, squaring the circle, duplicating (or doubling) the cube.
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 The Improbability Principle  David J. Hand
Accompanying Hand's The Improbability Principle, subtitled "Extremely Improbable Events are Commonplace." Hand offers five probability theory and statistics articles: the Law of Inevitability; the Law of Truly Large Numbers; the Law of Selection; the
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 Inequalities and Negative Numbers  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about inequalities and negative numbers, such as why to reverse or flip the inequality symbol when dividing or multiplying by a negative number.
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 Infinite Primes  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about whether there is an infinite number of primes, and the frequency of their distribution.
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 INFORMS OR/MS Resource Collection
 Michael Trick, Carnegie Bosch Inst., Grad. School of Indust. Administration, Carnegie Mellon Univ.
An organized listing of sites concerned with the field of operations research, the technique of using modern scientific models to predict and compare the outcomes of complex systems, considering factors such as change and risk, with links to: FAQs; Societies;
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 Integers, Rational/Irrational Numbers  Math Forum, Ask Dr. Math FAQ
What is an integer? Are fractions rational numbers? What about .9999...? How about decimals? pi? the Golden Ratio?
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 Inverse of a Function  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the inverse of a function, how it is used in real life, whether or not the inverse of a function is itself a function,
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 Irregular Tetrahedron Formula (Ask Dr. Math FAQ)  Math Forum
Formula for finding the volume of an irregular tetrahedron. This will work for a regular tetrahedra also, but a simpler formula is available in that case.
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 Is a Circle a Polygon?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about whether a circle is a polygon, whether it has zero, one, or an infinite number of edges, and more.
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 Jeremy Kun
Primers, galleries of computer programs and math proofs, and more befitting "a place for elegant solutions." Kun, a mathematics PhD student at the University of Illinois in Chicago with a background in computer science, has also blogged since September,
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 Job Interview  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: What issues should a teacher think about before a job interview?
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 John Baez's Stuff  John Baez
The site features the author's column "This Week's Finds in Mathematical Physics," with archives dating back to 1993. "Fun stuff" includes old posts and email on Bayesianism in probability theory and quantum mechanics; some rambling lectures on knot polynomials,
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 Large Numbers and Infinity  Math Forum, Ask Dr. Math FAQ
What's the largest number? What's a googol? How do we name large numbers? What is infinity?
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 Last One at the Table  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about how to be the last one at a round table if every other person leaves; for example, "If x knights are sitting at a round table, and every other one is removed, who is the last one left sitting at the table?"
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 (La)TEX Navigator: A (La)TeX Encyclopaedia  Denis Roegel
Resources in French, German, and English. Contents: General documentation about (La)TeX; The (La)TeX local guide of the site (LORIA) (in French); Bibliography and indexes; Literate programming; Classes; Macros and packages; Fonts and symbols; Graphics;
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 Latitude and Longitude  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about latitude and longitude, such as determining the distance between two points on Earth; along with explanations of pitch, roll, and yaw.
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 Lavarand  LavaLite
Lavarand is a system by which a pseudorandom number generator is seeded by the digital output of a photograph of six Lava LiteŽ lamps.
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 Law and Mathematics  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about law and mathematics, such as "How do lawyers use math?"
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 LCM, GCF  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about least common multiple and greatest common factor, along with stepbystep explanations.
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 Learning Multiplication Facts  Math Forum, Ask Dr. Math FAQ
Tips for parents, teachers, and students for different ways of learning to multiply.
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 Learning to Factor  Math Forum, Ask Dr. Math FAQ
Examples of factoring from the Dr. Math archives: trinomials; greatest common factor (GCF); least common multiple (LCM); least common denominator (LCD); dividing polynomials by monomials; quadratics; and more.
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 Learning to Multiply  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about learning to multiply, with times tables.
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 Learning To Multiply  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How do I help students learn their multiplication facts?
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 Least Common Denominator  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about least common denominators, with three different ways to find them.
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 Lee's Roman Numeral Converter  Lee K. Seitz
Convert a number into Roman numerals and back again online. Site also includes a brief introduction to Roman numerals, a FAQ, and some comments on the structure of the converter program.
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 Length and Width  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about length and width, such as whether the length of a rectangle is always the longest side, and if there is a difference between "width" and "base."
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 Letter/Number Puzzles  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about cryptograms, alphametrics, letter sequences, and other letter/number puzzles, such as SEND + MORE = MONEY.
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 Linear & Nonlinear Programming Publications, Preprints, & FAQs  Technical University of Braunschweig
PostScript files and some abstracts. Many articles in German.
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 Linear Programming FAQ  Optimization Technology Center, Northwestern University and Argonne National Laboratory
Posted monthly to the newsgroup sci.opresearch. Answers to questions such as: "What is Linear Programming?" "Where is there a good code to solve LP problems?" "Oh, and we also want to solve it as an integer program." "I wrote an optimization code. Where
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 Literature and Mathematics  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How can I teach mathematics using literature?
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 Loans and Interest  Math Forum, Ask Dr. Math FAQ
Explanations of and formulas for interest calculations: simple interest, compound interest, annual percentage rate (APR), and installment loans.
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 Long Division  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about long division, with stepbystep explanations.
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 Mandelbrot Midlevels Competition
A mathematics competition that emphasizes problemsolving, geared towards students in seventh and eighth grade. Three rounds are distributed to schools throughout the year; students may participate in individual or team portions of the contest. Site
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