 Regular Polygon Formulas (Ask Dr. Math FAQ)  Math Forum
Formulas for finding the area, perimeter, etc. of a regular polygon, and constructing regular polygons with compass and straightedge, in particular the pentagon.
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 Regular Polyhedra: Formulas (Ask Dr. Math FAQ)  Math Forum
Formulas for finding the surface area, perimeter, volume, etc. of regular polyhedra: tetrahedron, cube, octahedron, dodecahedron, icosahedron.
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 Remainder/Divisibility Puzzles  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about remainder and divisibility puzzles, such as "Write 1,000,000,000 as the product of two numbers, neither of which contains any zeros" and "Arrange the digits 0 to 9 such that the number formed by the first digit
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 Rolling Dice  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about rolling dice, cube and octahedral, fair and biased, once and many times.
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 Roman Numerals  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about Roman numerals, such as how they represented decimals and fractions; with memory aids for remembering what letter represents what value.
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 Roman Numerals  Math Forum, Ask Dr. Math FAQ
Basics: How do I read and write Roman numerals? What are the rules for subtracting letters? How do I write large numbers? Web resources: introductions, charts, calculators, and converters. Calculations: Did the Romans use fractions?
How can I use Roman
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 Rounding Numbers  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about rounding whole numbers. decimals, and fractions.
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 Rounding Numbers  Math Forum, Ask Dr. Math FAQ
How do you round a number to the nearest tenth (10th), hundredth (100th), thousandth (1000th), etc.?
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 RSA Laboratories' Frequently Asked Questions About Today's Cryptography  RSA Laboratories
Cryptography FAQs organized into eight chapters: introduction, cryptography, techniques in cryptography, applications of cryptography, cryptography in the real world, laws concerning cryptography, miscellaneous topic, and further reading. With appendices
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 Russian Peasant Multiplication  Math Forum, Ask Dr. Math FAQ
What is Russian peasant multiplication? How do I use it? Why does it work? How is the Russian peasant algorithm connected to binary numbers?
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 Scientific Notation  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about scientific notation, using it to write very large or very small numbers, and adding, multiplying, and dividing with the notation.
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 sci.fractals FAQ (Frequently Asked Questions)  Shirriff, Stepp
A archived FAQ from sci.fractals, a Usenet newsgroup about fractals; mathematics, and software, aimed at being a reference about fractals, including answers to commonly asked questions, archive listings of fractal software, images, papers that can be
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 sci.fractals FAQ  Taylor, Louvet
A FAQ posted monthly to sci.fractals, a Usenet newsgroup about fractals, mathematics, and software, aimed at being a reference about fractals, including answers to commonly asked questions, archive listings of fractal software, images, and papers that
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 sci.nonlinear FAQ  James D. Meiss
The Frequently Asked Questions document for the newsgroup sci.nonlinear. Basic Theory, Applications and Advanced Theory; Learn More; Computational Resources. Nonlinear systems have been shown to exhibit surprising and complex effects that would never
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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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 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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 Significant Figures/Digits  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about scientific figures and scientific digits, such as "When are zeros significant and when are they not significant?"
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 Slope, SlopeIntercept, Standard Form  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the slope of a line, and about the slopeintercept and standard forms of the equation of a line, such as "Why are the slopes of perpendicular lines negative reciprocals?" and "How would I draw the line y = (2/3)x
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 Só Matemática  Só Matemática
Material para ensino fundamental, médio e superior, além de provas online, biografias de matemáticos, trabalhos de alunos, um acervo de softwares matemáticos, artigos, jogos, curiosidades, histórias, fóruns de
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 Smithsonian Institution
An independent trust instrumentality of the United States holding some 140 million artifacts and specimens in its trust for "the increase and diffusion of knowledge," and a center for research dedicated to public education, national service, and scholarship
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 Solving Simple Linear Equations  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about solving simple linear equations by inspection, elimination, substitution, intersection, and graphing.
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 Sphere Formulas (Ask Dr. Math FAQ)  Math Forum
Formulas for finding the surface area and volume of a sphere, sphere sector, spherical cap, and segment, zone, and lune of a sphere.
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 Square/Cube Roots without a Calculator  Math Forum, Ask Dr. Math FAQ
How do you find the square root of a number by hand? How about cube roots?
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 Square Roots without a Calculator  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about square roots without a calculator, from the divideandaverage technique to Newton's method to the continued fraction algorithm (CFA).
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 Squares and Square Roots, 1100  Math Forum, Ask Dr. Math Common Question
A table of squares and square roots, 1100.
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 Squares in a Checkerboard  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about how many squares or rectangles there are in a checkerboard or in an NxN square.
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 Statistical Reference Datasets  Applied and Computational Math Division, NIST
A project designed to improve the accuracy of statistical software by providing reference datasets with certified computational results that enable the objective evaluation of statistical software. Dataset archives (Analysis of Variance, Linear Regression,
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 Statistics Glossaries  Math Forum, Ask Dr. Math Common Question
A selection of statistics glossaries on the web.
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 Statistics Netherlands
A government organization that collects, interprets, and presents information about Dutch society. Tables of key socioeconomic figures for the Netherlands; publications and press releases, which may be ordered or downloaded in PDF format; introduction
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 Statistics (WWW Virtual Library)  Dept. of Statistics, University of Florida
Web information systems relating to Statistics. Data sources; job announcements; links to departments, divisions, and schools of statistics (Australia, Brazil, Canada, Europe, Israel, Mexico, New Zealand, United Kingdom, United States); statistical research
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 The Stock Market Game (SMG2000)  Securities Industry Foundation for Economic Education (SIFEE)
The Stock Market Game (SMG2000) is an electronic simulation of Wall Street
trading, designed to help students and adults understand the stock market, the
costs and benefits involved in decisionmaking, the sources and uses of capital
and other related
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 Strategies for Finding Sequences  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about strategies for finding sequences, such as "Write an expression to find the nth term of the following sequence: 3, 9, 18, 30, 45..." and "Find the following 2 terms and a formula for the nth term."
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 Teacher.org
Teacher.org's original math lessons all feature Common Core alignment, objectives and outcomes, materials needed, procedure, assessment and evaluation, modification and differentiation, and links to related lessons. Other resources include scholarships
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 Tela the TEnsor Language  Geophysical Research/Finnish Meteorological Institute
A numerical computing environment mainly targeted for numerical simulation pre and postprocessing work. Properties: supports arbitrary dimensional arrays (currently the rank must be less than five though); is generally 24 times faster than Matlab, the
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 Terry McConnell's Home Page  Terry McConnell, Mathematics Department, Syracuse University
Download PDFs of tests given in McConnell's introductory calculus, Math 295. "Stuff" ranges from a remark on average velocity and an expository paper showing the details of how to derive the second order correction to the period of a plane pendulum using
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 TeX2HTML  Curtis, Housken; WebPrimitives
A conversion utility that translates .tex files into .html files without converting typeset mathematics to GIFs. TeX2HTML converts typeset mathematics into HTMLbased layout commands, calling on the SYMBOL font resident on all computers, to provide for
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 Three Common Graphs  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about three common graphs: bar graphs, histograms, and pictograms.
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 ticalc.org
The unofficial TIcalculator home page. A nonprofit, collaborative effort geared toward fans of Texas Instruments' graphing calculators, acting as a headquarters for all available information on the subject. It is also the home of ZShell and Fargo, assembly
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 Time [sci.astro] (Astronomy Frequently Asked Questions)  Joseph Lazio
sci.astro is a newsgroup devoted to the discussion of the science of astronomy. This document summarize answers to questions that appear fairly regularly: Time, Calendars, and Terrestrial Phenomena; When is 02/01/04? or is there a standard way of writing
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 Time Series Analysis and Forecasting; AUTOBOX  Automatic Forecasting Systems (AFS) Corporation
Autobox for Windows provides forecasting based on the BoxJenkins modelbuilding process, implemented for both ARIMA (univariate) modeling and Transfer Function (multivariate or regression) modeling. Features, prices, faqs, support, and mathematical information
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 Time Zonese  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about time zones, how they work, and why the former USSR have 11 time zones, while China has only one.
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 Topical Index of Internet Resources (The Chaos Hypertextbook)  Glenn Elert
An extensive list of links to sites related to Elert's Chaos Hypertextbook. Major categories include: Chaos (Dynamical Systems); Dimension; FAQs; Feigenbaum Constants (Bifurcation Diagrams); Fractals; Image Compression; Iterated Function Systems (IFS);
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 Tournament Scheduling  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about scheduling tournaments, from "Can you help me construct a schedule for a round robin style junior hockey tournament with two divisions using only four fields?" to "What are the odds of one person predicting the
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 TreeAge Software, Inc.
Producer of decision analysis software. Product information, interactive demos and trial download, FAQ and technical support, ordering, and registration.
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 Triangle Congruence  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about triangle congruences, such as "Why can't the SSA Theorem be used to prove congruence?" and "When should we use Congruent Parts Congruent Triangles Congruent (CPCTC), and how does it prove anything?"
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 Triangle Formulas (Ask Dr. Math FAQ)  Math Forum
Formulas for finding the area, perimeter, etc. of an equilateral, isosceles, right, or scalene triangle.
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 Tricks for Learning Math  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: What are some math tricks and mnemonic devices I can use with my students?
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 Trigonometry Formulas  Math Forum; Ask Dr. Math FAQ
Formulas for trig functions, bounds, identities, solving right and oblique triangles and inverse trig functions.
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 Twos Complement  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about two's complement, a way to encode negative numbers into ordinary binary so that addition still works.
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 Typing Math  Math Forum, Ask Dr. Math FAQ
How should I type exponents? What about square roots? Why not use tabs? May I send attachments?
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