 Software by Al Jarnow  ProtoZone Interactives
Webbased interactive software excerpted from pattern exhibits at the Long
Island Children's Museum, the National Museum of Science and Industry (London),
and the Brooklyn Childrens's Museum. Introductions to art and math with many patternmaking
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 Software for mathematics education  Piet van Blokland
Software for mathematical education that draws on David Tall's philosophy of teaching: use Graphic Calculus to visualize, explore, and conceptualize the graph of a linear function; analyze the data and simulations included with VUStat to learn statistics
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 Software for Texas Instrument Calculators  Nevil Hopley
A collection of teaching programs for Texas Instruments calculators. Developed and tested in classrooms since 1998, the programs make the TI83, TI83+ & TI83+ Silver Edition more than just a calculator. Order by program, age group (ages 1218), or topic
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 Software (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
An extensive collection of links to software, with abstracts and reviews, organized in four different ways: by platform (Macintosh, MSDOS) and then by subject; interactive texts (using a commercial package such as Mathematica, Maple or Mathkit to interact
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 Software's Origin  Ivars Peterson (MathTrek)
Librarian Fred R. Shapiro of the Yale Law School in New Haven, Conn., searched for the word software among scholarly journals electronically archived in the JSTOR database and found that the term software used to describe computer programs dates back
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 The Solar System and Space Technology  Eddie B. Rose Jr.  YaleNew Haven Teachers Institute
A unit that presents a modularized, individualized problemsolving scientific/mathematics packet that can be adapted for grades K12. The contents focus on space exploration and its relation to science and mathematics. The curriculum is
design to integrate
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 Soler's Fractal Site
Fractal galleries of images made using Tierazon and other programs, links, downloads of fractalgenerating programs, and articles on fractals.
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 Solids Workshop  FacticsMax
A program that allows you to select a square, triangular, pentagonal, or hexagonal prism, pyramid, or frustum; or a cylinder or cone, choose the height, side, (and frustum height) you desire, and print out a net pattern that will fold up into the selected
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 Solitairey Sequences  Ivars Peterson (MathTrek)
Solitaire on the computer screen  called Klondike or Idiot's Delight, this form of solitaire has resisted mathematical analysis. Partly because Klondike involves player choice, no one has yet been able to construct a mathematical model of the game from
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 Solutions to Heinemann AS/A Level text books  George Ierotheou
To provide ample examples of how to apply the key methods and techniques used at AS/A level.
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 Solve Equations by Successive Approximations in Your Spreadsheet  P. Russell
Approximation formulae to compute real and complex solutions of equations in a spreadsheet. The site includes an introduction to slope and derivatives.
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 Solve for n  NASA Lewis Learning Technologies Project
Solve for n: 3/n = 7/12. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Solve for y  NASA Lewis Learning Technologies Project
Solve the following for y: 12y  16 = 20y. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Solve My Maths  Ed Southall
Blog of "puzzling questions that purposefully minimalise the amount of information explicitly given," written by the author of Yes, but Why? Teaching for Understanding in Mathematics. Posts by the University of Huddersfield maths education specialist's
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 Solve My Math  Solvemymath
Online math integrals calculator, derivative calculator, function grapher, math formulas and facts, math quizzes and puzzles.
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 Solve This!  ThinkQuest 2003
Information about eight famous mathematicians, with interactive quizzes, static problems and games.
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 Solving Equations  Don Cohen (The Mathman)
Make equations or open sentences true by guessing. Equations with X's on both sides; quadratic equations (11 ways to solve a quadratic equation); using balance pictures to solve equations. Sample problems with some answers from Chapter 8 of Don Cohen's
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 Solving Inequalities with One Operation  Internet Academy (IA)
Stepbystep instructions for learning how to solve and graph inequalities, with problems and solutions.
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 SolvingMathProblems
Type up your math questions for free help or see stepbystep instructions on solving problems that involve sets, equations, exponents, roots, or real numbers, such using the number line to compare two decimals or using direct comparison (equivalence)
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 Solving Math Word Problems  Hal Schneider
A selfhelp tutor for grades 612, remedial math (all levels); and adults. Chapter titles: Elementary Math Rules; Working with "ONE"; Working with Fractions; The ' Word/Fraction' Technique; Elementary Algebra, Factoring & Ratios; Common Forms of Equations;
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 Solving Quadratic Equations  Prakash Sukhu
Introduces the general form of the quadratic equation, and shows how to solve the quadratic equation step by step. Includes methods of factorisation and completing the square, questions to test your knowledge, and an online equation solver with which
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 Solving Rubik's Cube  David Lee Winston Miller
A "bestfast" Arity Prolog program and demonstration of an efficient heuristic search method to solve Rubik's Cube. Examine the cube's topography (its flat layout) and "submachines." Documentation includes "Understanding the problem," "Why this approach
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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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 Solving Systems of Linear Inequalities  Internet Academy (IA)
Stepbystep instructions for learning how to solve systems of linear inequalities by graphing.
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 Solving the Quintic with Mathematica  Wolfram, Inc.
Solving the Quintic  The impossibility of solving general quintics in radicals, Tschirnhaus's transformation, Klein's approach to the quintic, Solutions based on series, Solutions based on differential equations, Equations of higher degree. Steps to
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 Solving the Rubik's Cube  Matthew Monroe
Instructions, popularized by Minh Thai, the National Champion cube solver, for solving a 3x3x3 Rubik's Cube. Also, instructions for how to solve a cube when it has oriented pictures on each face. Directions for solving a 2x2x2 Rubik's mini cube, the professor
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 Solving Word Problems: Applications of Exponential and Logarithmic Functions (S.O.S. Mathematics)  Dept. of Mathematical Sciences, Univ. of Texas at El Paso
To solve an exponential or logarithmic word problem, convert the narrative to
an equation and solve the equation. Includes discussions of problems dealing with interest rates, mortgages, population, radioactive decay, and earthquakes.
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 Solving Word Problems (SMILE)  Barbara Trotter, O. A. Thorp Scholastic Academy
A lesson for intermediate and upper grades designed to teach students several different techniques for solving word problems. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 The Soma Cube Puzzle  Modvix
Purchase the Soma Cube. Piet Hein, a Danish poet and inventor, visualized the set of all irregular shapes formed by no more than 4 cubes, each of the same size, and realized that the seven simplest irregular combinations of cubes can form a larger Soma
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 Some Golden Geometry  Rashomon (K. Wiedman)
The Golden Mean is a ratio that is present in the growth patterns of many things  the spiral formed by a shell or the curve of a fern, for example. This page (also found at http://tony.ai/KW/goldengeom.html) gives instructions for constructing the Golden
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 Some Problems & Puzzles  Nancy Casey
Problems inspired by math books (Instant insanity; Penrose rhombs) and friends Larry Copes and Mike Fellows (BikePed, Idaho  also known as Muddy City).
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 Some Solid (Threedimensional) Geometrical Facts about the Golden Section  Ron Knott
Phi and threedimensional geometry  Dice Shapes; Coordinates and other statistics of the 5 Platonic Solids; The Greeks and the platonic solids; Quasicrystals and Phi; Footnotes on Plato and Euclid, and on shapes for fair dice.
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 Something or other, whatever!  Christian LawsonPerfect
Links to "all my doings around the web" by an Aperiodical blog editor include three.onefouronefivenine.com, an infinitely scrolling vertical list of the decimal digits of π with occasional annotations; a free webbased system for building exams called
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 Some Things I've Written  Jennifer Gutbezahl
Research from the author's doctoral studies in social psychology. Gutbezahl's dissertation focused on how attributions for success and failure in mathematics affect how well students do in math class: "How Negative Expectancies and Attitudes Undermine
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 Some Thoughts on Measurement  Harold Brochmann
All measurements inherently have limited precision; it isn't sensible to give credence to measurements if you are dealing with a piece of ordinary paper and an ordinary wooden or plastic ruler, no matter how careful the person measuring has been. This
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 Sometimes We Learn Some Math Too  Jacqueline Sheppet
Blog by a high school teacher in British Columbia. Posts, which date back to September, 2014, have included "Purple is the new math," "Forming a formative mindset," "A formula to understand," and "Do the ends justify the means?"
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 Some Variations on the Theme of Polyominos  Recmath
Patterns that illustrate how the squares of polyominos are connected to each other. Examples of polyominos with a grid superimposed to illustrate the individual squares; with a line that joins the midpoint of two adjacent square if the squares are connected.
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 Sommer Cube  Michael Sommer
The faces of the modular Sommer Cube (S3) feed into twisted conduits that comprise a threedimensional, tunnelling maze. The website provides example arrangements and construction questions such as "Given that a ball must exit at the lowest S3 level and
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 So Much Data  William D. May
Based on the book So Much Data, So Little Math, tools for learning to do simple data analysis on data sets. Features the online calculation tools "Easy Correlation Calculations" and "Easy Trend Prediction," with explanations, as well as an example of
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 sonata mathematique  Rachel Kernodle
Blog by a high school math and learning specialist. Posts, which date back to June, 2011, have included "twitter math camp," "mathematical art," "i also want you to learn…," and "rational functions take two."
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 A Song About Pi  Ivars Peterson (MathTrek)
A short biography of Irving Kaplansky, Director Emeritus of the Mathematical Sciences Research Institute (MSRI) in Berkeley, CA, and his analysis of the structure of complex songs.
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 Sophie's Diary  Dora Musielak
Historical fiction based on mathematician Sophie Germain. Site includes book excerpts, a Spanish version of the main page, a press release, information about the author, favorite links, contact information, and illustrations from the book of Paris in
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 Soroban in Various Number Systems  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A Java simulation of Sorobanthe Japanese analogue of the traditional abacus and the Chinese Suan Pan. This is the most economical tool of the three.
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 Sorting and Analyzing (SMILE)  Vickie Townsend, Crown Fine Arts Community Academy
A K12 lesson designed to teach students to sort, compare, and analyze through exploring, observing, and examining concrete objects, and to recognize a bar graph. From the Patterns and Logic section of a collection of almost 200 single concept lessons
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 Sorting Pennies, A Wagering Activity for Algebra 1 (SMILE)  David Drymiller, Marie Sklodowska Curie Metro High School
A lesson designed to abstract the idea of a line; introduce other methods of solving simultaneous equations besides graphing; and to develop problem solving skills. From the Algebra and Trigonometry section of a collection of almost 200 single concept
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 S.O.S. Mathematics  Dept. of Mathematical Sciences, Univ. of Texas at El Paso
Internet courses/tutorials to help students do homework, prepare for a test, or get ready for a class. The material presented here reviews the most important results, techniques and formulas in college and precollege mathematics. The learning units are
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 The soul of a chess machine  Ivars Peterson  Science News Online
Deep Blue's performance in its sixgame match in February against world chess champion Garry Kasparov impressed everyone. "It's a really serious opponent," Kasparov remarked afterwards. "I won... but it was as tough as a world championship match."...
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 The Source of UK Facts and Figures  Government Statistical Service, Office for National Statistics, UK
The information you need to access UK statistics. Links to: The Campion Fellowship in Official Statistics; Population Trends 98  reference and report tables; Quarterly Civil Service Staff in Post; UK in Figures 1999; Scottish Statistics Publications;
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 Source Panel Integrals / Java Matrix Solver  Marc Gerritsma, Jamie Grier
The source panel integrals Javascript can be used to calculate the integrals and the matrix elements of the source panel method (see sec 3.17 of Fundamentals of Aerodynamics, 2nd edition, by J.D. Anderson, jr.). The Java matrix solver can be used to solve
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 Southeast Regional Climate Center  Water Resources Division, South Carolina Department of Natural Resources
Home site for CIRRUS, the Climate Interactive Rapid Retrieval System, an educational medium that provides economically and environmentally important climatic information. The system gives students the opportunity to observe and analyze the weather on
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