 Help With Fractions  Uriel "Skip" Akers
Provides stepbystep instructions for adding, subtracting , multiplying and dividing fractions. Includes a fraction calculator.
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 Higher Bitesize: Maths  BBC Scotland Learning
"Tasty chunks of revision goodness..." Revision means studying, and this site aims to help students study, with online illustrations and materials, and interactive tests.
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 High School Financial Planning Program  National Endowment for Financial Education (NEFE)
A sixunit program that provides teens with a greater understanding of and ability to manage their personal finances in the areas of goal setting, budgeting, and saving. With games, simulations, case studies, and interactive exercises, the site provides
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 High School Geometry Lessons  Jeffrey P. Bannish
Narrated screencast lessons, most between seven and fifteen minutes long, created to accompany the McDougal Littell high school geometry textbook. Bannish explains theorems and concepts visually, and also works select textbook example problems, often
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 High School Homework
Highschoolhomework offers homework help in the following subjects  algebra, geometry, trigonometry, calculus, biology, chemistry, physics and economics.
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 HipEstat: Hipertexto de Estadística  Juan y Ignacio Lejarza; Universidad de Valencia, España
A Spanish language tutorial in statistics. Contents include descriptive analysis, probability, inference, and an introduction to multivariate analysis, with text, software, bibliography, and related links.
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 HippoCampus  Monterey Institute for Technology and Education
Video lessons in arithmetic, algebra and geometry, statistics and probability, calculus and advanced math. The Monterey Institute for Technology and Education also runs the National Repository of Online Courses (NROC) and NROC math.
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 Holistic Numerical Methods Institute  Autar Kaw
Open courseware, books, primers, journal abstracts, PowerPoint presentations, multiple choice tests, and other resources supporting a typical course in Numerical Methods for undergraduates majoring in science, technology, engineering and mathematics (STEM).
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 Homework Help  Homeworkhelp.com, Inc.
Over 1000 tutorials, indexed for searching, for help with math, English, science, and ESL. Middle School math (grades 68) covers fractions, decimals, percents, graphing, functions, geometry, etc. High School math offers prealgebra, algebra I and II,
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 How To: Algebra
Features explanations and step by step examples of algebra topics from the high school level to college algebra.
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 How to Compute Planetary Positions  Paul Schlyter
A description of how to compute the positions for the sun and moon and the major planets, as well as for comets and minor planets, from a set of orbital elements. The algorithms have been simplified as much as possible while still keeping a fairly good
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 How to Write Checks  Timothy Liptrap, Stocks, Bonds and More, Inc.
Purchase a 68page ebook with a complete system to help children learn how to write checks, balance a checkbook, and problem solve. Math skills are used in all calculations, when writing checks, when balancing checkbooks and in finding errors.
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 How To Write Proofs  Larry W. Cusick
The mechanics of proofs and proof strategies, with examples and exercises: direct proof, proof by contradiction, proof by contrapositive, if, and only if (iff), proof by mathematical induction, unwinding definitions (getting started), constructive versus
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 Hypersonic Aerodynamics Index  NASA Glenn Research Center
Primers, some with animations or Java applets, on hypersonic and high supersonic flows  when air molecules break apart, producing an electrically charged plasma around aircraft. Large variations in air density and pressure occur because of shock waves,
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 IAmProximus.com: Study Smarter  the Smartacus Corporation
Learn business math, college algebra, precalculus, trigonometry, and more, through a library of interactive Flash (TM) tutorials designed for handheld PDAs that run the Palm OS. Free oneday trial (cancel after 24 hours or be charged the monthly rate),
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 iFigure
Links to online calculators and worksheets that provide information to help in planning, solving and making decisions for problems and tasks such as buying a home, investing money, figuring business profits, making statistical comparisons, or calculating
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 InCharge Education Foundation  InCharge Education Foundation, Inc.
The nonprofit InCharge Education Foundation promotes financial wellness by offering data, information, research, and education on the behaviors and issues facing average individuals and families on consumer credit, money management, and financial wellbeing
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 Institute of Consumer Financial Education  Paul Richard
Money tips and information on finances, savings, investment, and firsttime credit for young Americans, their parents, and grandparents. Articles include "18 Ways to Teach Children or Grandchildren the Value of Money," "10 Commandments of Personal Finance
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 Instructional Resources  Microsoft Corporation
Microsoft's instructional resources are divided into lesson plans (math), howto articles, and tutorials. You may search each section's resources by age group, Microsoft product, theme or learning area. See also the Design Gallery Live.
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 Integration by Parts  Technical Tutoring
This site includes explanations of methods for integration by parts. It includes several illustrative examples and exercises.
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 Interactive Excel Spreadsheets  Scott A. Sinex, Prince George's Community College
"Excelets are interactive Excel spreadsheets or simulations of mathematical models. The user changes a variable and the spreadsheet changes in numerical, graphical, and/or even symbolic form (equations).... with no use of programming, no macros or Visual
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 Interactive Mathematics  Murray Bourne, Ngee Ann Polytechnic, Singapore
Flash Tutorials for PreCalculus (Algebra, Trigonometry, Logarithms, Complex Number Systems, Graphs); Calculus (Differentiation  The Derivative, its Applications, Deriving Transcendental Functions; Integration, its Applications and Methods), and Advanced
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 Interactive Mathematics Online  ThinkQuest 1996
Algebra (Postulates  Things you can do with equations and inequalities, Function Basics and Simple Graphing, Kinds of functions (periodic, odd, even, etc.), Function Squashing); Geometry (an introduction, applications, glossary, sample problems); Trigonometry,
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 Interactive Statistical Calculation Pages  John C. Pezzullo
Links to free statistics software, online statistics books, tutorials, downloadable software, and related resources. Selecting the right kind of analysis; online software package websites; calculators, plotters, function integrators, and interactive programming
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 Interest Tutorial  Joseph L. Zachary
A tutorial that explores the concepts of simple, compound, and continuous interest. Includes a Java applet that opens in a separate window, for use alongside the tutorial. From a Computer Science course at the University of Utah, and the book Introduction
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 An Introduction to Group Theory  Loren Pomeroy
An online textbook/tutorial in elementary group theory. Group theory takes an abstract approach, dealing with many mathematical systems at once and requiring only that a mathematical system obey a few simple rules, seeking then to find properties common
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 Introduction to Mathematica  Dave Collins, Outback Software, Ltd.
An introduction to Mathematica, with stepbystep screen shots of Mathematica sessions. Organized into the sections Enduser computation, Plotting computational results, Programming in Mathematica, Using Mathematica for technical publishing, and Integrating
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 Introductory Guide to Statistics  Allan Palmer; University of Queensland, Australia
A tutorial with study pages and illustrations. Topics: Chisquared, bias, ANOVA, distribution, standard deviation, ttest, regression, correlation, inferential/descriptive statistics.
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 Intuitive Calculus
A site that teaches calculus "by forming an intuition" of concepts such as limits, derivatives, and integrals.
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 ItAllAddsUp  Council for Economic Education
Online Shockwave games and simulations for teens to learn about  and practice making decisions with  managing credit, buying a car, paying for college, budgeting, saving, investing, and more.
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 JavaGSP!  Annie Fetter, the Math Forum
A short tutorial: everything you need to know to make your first JavaSketchpad page. A quick reference, then some other features, details, and considerations you might want to familiarize yourself with if you choose to incorporate Java GSP into some of
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 J. Digital Tutoring Services  Jason Hankins
Online tutoring and educational links and DVDs. Live tutoring available in northern Chicago, Illinois/Wisconsin area.
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 Josh Hertel
Hertel serves the University of WisconsinLa Crosse as an assistant professor in the mathematics department. He completed his Ph.D. in Mathematics Education at Illinois State University with the freely downloadable dissertation "Investigating the Purpose
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 JustMaths  Seager, Christian; Khawaja, Faisal; Muldowney, Melanie
Video tutorials, practice exam questions, and other intervention resources created by three teachers practicing in the UK Midlands. Free resources include "trumps" and exam questions in algebra, data handling, geometry and measure, number, and more. Blog
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 Just Math Tutoring  Patrick Jones
Supplemental math education for the areas of Austin, TX and Nashville, TN. Covering algebra through collegiate math topics, including test preparation.
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 K12 Math  BTRware.com
Math concepts, subjects, exercises, and examples for grades K through 12.
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 Khan Academy  Salman Khan
Salman Khan has recorded thousands of YouTube videos on a variety of topics, largely math and finance. The Khan Academy, which Khan founded, is a notforprofit organization with the mission of providing a high quality education to anyone, anywhere. To
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 KidsBank.Com  Sovereign Bank
A tutorial site in the form of an animated storybook that teaches about money, from the penny to the transfer of electronic funds. Children join characters on a tour of Money, Savings, Interest, Checking, and Electronic Banking, five chapters each hosted
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 Knot Theory  ThinkQuest 1997
A short course on knot theory, including tutorials on the basics, knot invariants, knot properties, and knot arithmetic; biographical information on historical and contemporary figures working with knot theory; applications of knot theory; a discussion
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 Knowledge Online Services  Knowledge Online Services
Online tutoring services for all the subjects in grades K12 and undergraduate college level. Free trial session.
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 KryssTal: Mathematics  Kryss Katsiavriades and Talaat Qureshi
Essays with worked examples: numbers, algebra, Pascal's Triangle, trigonometry, logarithms, graphs, calculus (differentiation), and more.
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 Learn by Yourself  Moti Levi
LearnByYourself is a series of downloadable math books that ensure students' success by allowing them to learn without a teacher. Each book is only $3. Each book focuses on one topic, such as Fractions, and provide complete and clear explanations, advancing
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 LearnChem.net  boeschcomputing.com.au
Organic and physical chemistry AP topics, tutorials, tests and quizzes, practice problems, and tools.
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 Learn.co.uk  Guardian Education Interactive Ltd.
Interactive resources for learners to support Great Britian's national curriculum. Selfguided lessons, with glossaries and selfassessments, for key stage 2, key stage 3, or key stage 4 cover numbers; shape, space, and measurement; handling data; algebra,
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 LEARNINGlover  AfterMath
Resources to understand "the interactions between mathematics, computer science and probability." JavaScript flash cards and implementations  each with autoscoring, randomlygenerated problems, some with pseudocode  include the a priori algorithm,
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 Learning to Reason  Nancy Rodgers, Hanover College
"When we reason within a logical framework, words must be manipulated according to the rules of the game...." Learn about the terms "not," "and," "or," "implies," "is equivalent to," "for all," and "for some"; logical reasoning and expressing it in writing;
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 Limitless Calculus  Luis Irizarry
Calculus tutorials for business students. Register for a practice guide; freely browse tutorials on the constant rule, power rule, sum rule, difference rule, product rule, quotient rule, increasing and decreasing intervals, intervals of concavity, and
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 Linear Algebra for Informatics  José FigueroaO'Farrill
Lecture notes and tutorial problems for the Linear Algebra module in Mathematics for Informatics 3 (MAT2mi3/am3i), a course at the University of Edinburgh. Divided into three parts: real vector spaces and their linear maps, subspaces, linear (in)dependence,
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 Linguistic Geometry (LG)  Boris Stilman; Dept. of Computer Science & Engineering, Univ. of ColoradoDenver
Solving search problems of high dimension. Since 1991, Professor Stilman has been developing a new area in Artificial Intelligence, Linguistic Geometry, based on the investigation into sophisticated human heuristics resulting in highly selective searches,
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 Logic  ThinkQuest 1996
About logic  knowing how to construct logical arguments and put them into proofs. Logic is the art of showing whether something is true or false. An explanation of basic concepts is followed by an opportunity to test your skills. From SMATT (Science,
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