121. Introduction To Algebra Offers clear definitions and easyto-understand examples. Each definition builds on the previous to present a straightforward introduction to algebraic concepts. http://www.mathleague.com/help/algebra/algebra.htm

Introduction to Algebra Variables Expressions Equations Solution of an equation ... Math Contests School League Competitions Contest Problem Books Challenging, fun math practice Educational Software Comprehensive Learning Tools Visit the Math League Variables A variable is a symbol that represents a number. Usually we use letters such as n t , or x for variables. For example, we might say that s stands for the side-length of a square. We now treat s s . The area of the square is given by s s . When working with variables, it can be helpful to use a letter that will remind you of what the variable stands for: let n be the n umber of people in a movie theater; let t be the t ime it takes to travel somewhere; let d be the d istance from my house to the park. Expressions An expression is a mathematical statement that may use numbers, variables, or both. Example: The following are examples of expressions: x y z z Example: Roland weighs 70 kilograms, and Mark weighs k kilograms. Write an expression for their combined weight. The combined weight in kilograms of these two people is the sum of their weights, which is 70 + k Example: A car travels down the freeway at 55 kilometers per hour. Write an expression for the distance the car will have traveled after

122. Algebra Answers - Algebra Help - Algebra Tutoring algebra Answers provides algebra help through detailed solutions and explanations to algebra and math problems. Pay per enquiry. http://www.algebraanswers.com/

About AlgebraAnswers.com AlgebraAnswers.com is a math help site dedicated to providing detailed, step-by-step solutions to help increase the understanding of algebra for students. Algebra help is provided for students in Algebra I, II, College Algebra, intermediate, and pre-algebra courses. Algebra problems are solved by a chemical engineering graduate who has extensive math tutoring experience. Simply submit your math problems to AlgebraAnswers and a fully explained step-by-step solution will be e-mailed or faxed back to you. How to Use AlgebraAnswers.com Step 1: Submit your problems via fax or e-mail. Be sure to include specific problem instructions and that the problem is typed with correct syntax (see Help page for pointers). Detailed explanations are $3 each (graphing, multiple part problems, and word problems may be $4-$5 which would be explained in your confirmation). If you just need the steps without detailed explanation, this can be provided for $2 a problem. Step 2: Receive confirmation that problems have been received and your total.

123. MathPage Free Algebra Help Tutoring Organized, easy to understand, help with math, specifically algebra http://www.homestead.com/stroh/mathpage.html

Javascript is either disabled or not supported by this browser. This page may not appear properly. This site contains all the material covered in the Alg I and Alg II curriculum. Much of the material is interactive so that you can get explanations, examples, practice problems with hints and answers. My students have helped to create this site by finding links, taking and scanning pictures, and designing the banner that is used for the Link Exchange. Contact Mr. Stroh by email. Download FREEware tutorials for Algebra. Look for the Interactive, self paced tutorials. This is GREAT!! This page was last updated on: October 29, This site hit Download FREEware tutorials for Algebra. Look for the Interactive, self paced tutorials. This is GREAT!! This site contains all the material covered in the Alg I and Alg II curriculum. Much of the material is interactive so that you can get explanations, examples, practice problems with hints and answers. My students have helped to create this site by finding links, taking and scanning pictures, and designing the banner that is used for the Link Exchange. Contact Mr. Stroh by email.

124. Math_Tutor Homework help with high school and college algebra, geometry, trigonometry, calculus, statistics and finance. Includes email address and emergency phone numbers. http://www.geocities.com/borrork007/Math_Tutor.html?1013555623293

125. Scirus - Search Tips OR trigonometry will return results that either contain the word algebra or the Youmay need a subscription or online registration to access this information. http://www.scirus.com/srsapp/tips/

Basic Search Advanced Search Search Preferences Search Tips General Search Tips Basic Search Tips Advanced Search Tips Results Page Tips ... Subscribe to Scirus News Updates General Search Tips To perform a search with Scirus, enter your keyword(s) in the box provided and click on the Search button. You may find it helpful to narrow your search by placing special characters in front of your keywords: + keyword(s) - all of your search results will contain this word - keyword(s) - none of your search results will contain this word "keyword(s)" - all of your search results will contain this phrase Scirus also recognises Boolean terminology: OR AND NOT AND - your search results will contain all of your keywords. For example, a search on women AND health will return results that contain the words women and health in the text. OR - your search results will contain at least one of your keywords. For example, a search on algebra OR trigonometry will return results that either contain the word algebra or the word trigonometry in the text. ANDNOT - your search results will contain one of your keywords but not the other. For example, a search on gas ANDNOT helium will return results that contain the word gas in the text but not the word helium.

126. Statistics And Math Tutor help with statistics, algebra, geometry and test preparation by phone, fax, or Email. Includes education and tutoring experience. http://www.stats-help.com/

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Search Net Facts Subject Index Facts Encyclopedia Newspapers USA/World ... Advertise on Refdesk Search the Web Search Tips Help Support Refdesk MY HOMEWORK HELPER Grades 1 - 6 Grades 7-8 Grades 9-12 College ... Other Homework Links ELEMENTARY - Homework Help For Grades 1 - 6 Homework Center READING Children's Literature Web Guide - Massive and well-organized, with links to nearly every worthwhile children's reading site. WRITING Common Errors in English - A concise list of the most common errors in English usage ARITHMETIC APlus Homework Helper - Homework Helper will allow you to input a problem and your answer. It will then figure out if your solution is correct Flashcards for Kids - This is a real working flash card application on the net! JUNIOR HIGH - Homework Help For Grades 7-8 Infoplease Homework Central MATH Math.com ENGLISH BJ Pinchbeck's Homework Helper: English Authors on the Web - A Collection of Biographical Sketches SOCIAL STUDIES 4 Kids.com - Excellent government and history links. The 50 States of the United States - A quick resource for fun facts about each of the nation's 50 states, including when they achieved statehood SCIENCE Amateur Science Mad Scientist Network - The mad scientists from Washington University Medical School in St. Louis will answer questions in 25 areas of science, from anatomy and chemistry to zoology.

128. Marlena's Algebra Tutoring Free algebra help and affordable detailed solutions in 18 hours or less. http://algebratutoring.net/

Online Algebra Tutoring get detailed answers in 18 hours or less AlgebraTutoring.net closed for business Any comments can be sent to marlena@algebratutoring.net

129. LIMDEP 7.0 Help File Work Areas and the Project Window 3.7. Using help 3.8. Hausman Tests 9.13.Moment Based Specification Tests Chapter 10. Matrix algebra 10.2. http://www.limdep.com/On_Line_Help/limdep.htm

LIMDEP 7.0 Help File Select a topic from the LIMDEP Version 7.0 Help File. For general LIMDEP program and ordering information, see our home page: www.limdep.com Topics Current Sample DATA Data Files Describing Data ... WEIGHTS Commands APPEND ARMAX BIVARIATE PROBIT BOXCOX REGRESSION ... WRITE Windows Summary Summary - The LIMDEP Desktop Manual Chapter 1. Introduction to LIMDEP 1.2. Econometric Techniques 1.3. Getting Started Chapter 2. Installing and Executing LIMDEP ... 36.6. Editing Procedures New Features in LIMDEP Updates Calculating the Location of the Maximum or Minimum of a Variable Negative Binomial Probabilities in CALCULATE Discrete Probabilities in CREATE ... Appropriate Asymptotic Covariance Matrix for OLS in the TSCS Model LIMDEP Programs 2SLS For Klein's Model I Confidence Region for Two Coefficients Cox Test for Nonnested Regressions Cox Test for Nonnested Restricted Regressions ... Two Step Estimation of Probit with Estimated Regressor Data Sets Christensen and Greene 1970 Electricity Data Data Sets Airlines Data for Stochastic Frontier Models Berndt/Wood Manufacturing Cost and Shares Data ... Yearly Data on Money and GNP The NIST Benchmarks The NIST Benchmarks for Statistical Software UNIVARIATE STATISTICS BENCHMARKS UNIVARIATE STATISTICS LEW.LIM

130. BJ Pinchbeck's Home Work Helper Offers Links To Math Sites For Kids. Offers math homework help including calculus, algebra, geometry and trigonometry links recommended by BJ Pinchbeck and DiscoverySchool.com. http://school.discovery.com/homeworkhelp/bjpinchbeck/bjmath.html

For our newsletter and special teacher promotions. Go to: Choose a subject... Art/Music English Foreign Languages Math News Recess Reference Science Search Engines Social Studies About B.J. Ask B.J. Alphabetical List New Sites Site Map General Math Algebra Calculus Elementary Level Math ... Math Tables, Definitions, and Other Cool Resources General Math Ask Dr. Math The MathPage Dan's Math@Home Page Basic College Mathematics ... Back to Top Algebra Pre-Algebra Algebra Problems On-Line Abstract Algebra On-line Introduction to Algebra ... Back to Top Calculus Calculus@Internet Homepage Graphics for the Calculus Classroom Calculus Lecture Notes Karl's Calculus Tutor ... Back to Top Elementary Level Math A+ Math Rick's Math Web Electronic Flash Cards for Kids Math Dictionary for Kids ... Back to Top Geometry Geometry Formulas and Facts Geometry Center Search Page Basics in Geometry The Geometry Junkyard ... Back to Top Trigonometry Dave's Short Course in Trigonometry Back to Top Math Tables, Definitions and Other Cool Resources Dave's Math Tables Hotmath Math Index Favorite Mathematical Constants ... Back to Top Credits: PhotoDisc Site Map About Us Feedback Discovery.com

131. Interactive Mathematics Activities More than 320 Java applets help illustrate topics in arithmetic, algebra, geometry, mathmagic, optical illusions, probability, calculus, combinatorics http://www.cut-the-knot.com/Curriculum/

CTK Exchange Front Page Movie shortcuts Personal info ... Recommend this site Interactive Mathematics Activities Memory and Matching Match answers Memory - Easy Memory - Medium Memory - Hard Arithmetic 2 Pails Puzzle 3 Jugs Puzzle 3 Jugs Puzzle in Barycentric Coordinates Abacus in Various Number Systems ... Two Simple Equations Algebra Binary Color Device Breaking Chocolate Bars Candy Game: Integer Iterations on a Circle Chebyshev polynomials ... Heads and Tails counting, invariance Identities in the Multiplication Table Integer Iterations on a Circle II superposition principle Interest Calculations Letter Count in a Sentence Logistic Model Mean Values ... Merlin's Magic Squares modular arithmetic, boolean and linear algebra Minimax Principle Modular Arithmetic Parrondo Paradox Via Simpson Paradox Plus or Minus parity, invariance PolygonalNumbers Pythagorean Triples Self-documenting Sentences Simpson Paradox ... Squares and Circles parity, invariance Squares, Circles, and Triangles modular arithmetic, invariance Sum of Consecutive Integers is Triangular Sum of Consecutive Odd Numbers is Square Sum of Consecutive Triangular Numbers is Square Toads And Frogs Puzzle counting, logic, problem solving What's next?

132. Mathematics And Education Resources Includes recommendations for webpages and books for algebra, geometry, trigonometry, games and help forums. Also has a list of educational administrators and associations. http://www.math.schoolreference.com/

Home Administrators Algebra Assessment ... Business Opp Secure online shopping-great prices! Mathematics and Education Resources Welcome to the Mathematics and Education Resources page, a directory of sites for students, parents, teachers and administrators. Take some time to browse through the different categories found on the menu to the left. If you are a teacher, you'll find some useful sites for teachers below. Our newsletter is sent out periodically , and contains more detailed reviews of some of our featured sites, along with classroom ideas and sample problems. Subscribe here - it's free! Please send an e-mail if you notice any broken links or if you want to suggest a site for inclusion in this directory. Directory of Sites for Teachers: Site Level Description About.com Secondary About.com secondary mathematics page, with links to lesson plans, assessment and other subject areas. AMS All Levels American Mathematical Society homepage, with membership information, journals, conferences, and indices to other topics. Currency Converter All Levels The Universal Currency Converter page. This is a working currency converter with up-to-date conversion rates. Good for most currencies in the world.

133. PHSchool - Mathematics Math online Intervention System. A powerful Webbased companion to Prentice HallMathematics, Courses 1, 2, 3, Pre-algebra, and algebra 1 providing diagnostic http://www.phschool.com/math/

We've redesigned PHSchool.com! To take full advantage of our improved Web site, please take a moment to upgrade your browser now. The latest versions of browsers such as Internet Explorer and can be downloaded for free from the Web. Thank you. home about us accessibility tech support ... Foreign Languages Web Code: What is this? Click here to find the site for your textbook. Find your state's standards, lesson plans, and more. State AK AL AR AZ CA CO CT DC DE FL GA GU HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS MT NC ND NE NH NJ NM NV NY OH OK OR PA RI SC SD TN TX UT VA VT WA WI WV WY Find your representative. State Int'l DoDEA AK AL AR AZ CA CO CT DC DE FL GA GU HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS MT NC ND NE NH NJ NM NV NY OH OK OR PA RI SC SD TN TX UT VA VT WA WI WV WY Browse Subjects New Product Tours Parent Center Spanish Resources ... Customer Support Focus On Mathematics Your Math Textbook Web Site Check out all of the terrific resources online for your textbook Prentice Hall Mathematics Take an online tour of the new program that everyone's talking about. Math Online Intervention System A powerful Web-based companion to Prentice Hall Mathematics, Courses 1, 2, 3, Pre-Algebra, and Algebra 1 providing diagnostic tests, individualized instruction, and powerful reporting features to support NCLB. Looking for textbook information and pricing? Visit our

134. Statistics And Statistical Graphics Resources a special offcampus page to help Internet visitors Introduction to Computer GraphicsOnline computer graphics Linear/Matrix algebra Linear algebra WebNotes A http://www.math.yorku.ca/SCS/StatResource.html

Statistics and Statistical Graphics Resources Michael Friendly Statistical Consulting Service and Psychology Department York University Updated: 22 Jan 2003 15:11:02 160 New items since: 28 Apr 98 10:01 Status: Pruning/fixing broken links (103) This page provides an annotated, topic-based collection of available resources for statistics, statistical graphics, and computation related to research, data analysis and teaching, now containing over 580 links. Recently added links are now maintained automatically and indicated with the icon. There is both some redundancy (some sites listed more than once, or separate listings for different documents maintained at a single place), and some unevenness (it reflects my idiosyncratic interests) in this list, but I hope it's useful nonetheless. Web Feet Links Go Statistical Software Editor's Choice symbol of excellence Sci Central Meta Directory The page has grown to the point where it should be subdivided and reorganized. That process has begun, and the address for this page may need to change to reflect that reorganization. Is there something useful I've overlooked in this collection? Let me know through this

135. °^° Site Of Extension °^° (c) 1998-2004 BF. on Hopf algebraic techniques and speed up the evaluation of Clifford products ifa symbolic bilinear form is used in computations. The online help pages of http://clifford.physik.uni-konstanz.de/~fauser/pg/CA.shtml

Home Maple Maple online AXIOM ... Other CA packages Site of Extension : > Computer Algebra Maple Already in preparing my PhD thesis, I benefited from the use of computer algebra systems (CAS). While I wrote some DERIVE routines, I became soon aware of the CLIFFORD package for Maple developed since 1996 by Rafal Ablamowicz . This package has grown substantially since that time and with the advent of the BIGEBRA extension, I was invited to be a coauthor of the package. Of course, there are further packages as Cliplus, Octonion, GTP, and code_support which will be found on the home page of CLIFFORD and BIGEBRA. CLIFFORD comes with about 120 procedures, each of them documented with an online help page included in the Maple help browser. Hence these pages are searchable. Moreover, these help pages contain examples and test to show how the procedures work, what they can do, and how they are applied. The set of help pages serves also as a set of test pages to guarantee, as fare as possible, the functionality of the package. A pdf-file containing all help files is available, but check out the most recent versions from

136. Learning Disabilities OnLine: LD In-Depth: How Can I Help Students With LD In Al This may help students to not confuse or overgeneralize algorithms. arithmetic understandingand the means to solve algebraic equations LD online Resource Guide. http://www.ldonline.org/ld_indepth/math_skills/algebra_and_ld.html

How Can I Help Students with Learning Disabilities in Algebra? Brad Witzel, Stephen W. Smith, and Mary T. Brownell Intervention in School and Clinic Vol. 37, No.2, pp 101-104 November 2001 Reprinted with permission PROED Students with learning disabilities in algebra classes face many difficulties. Among them are an inability to apply algorithmic knowledge to novel problems, poor arithmetic skills, and difficulty with the abstract content associated with higher-level mathematics. With this in mind, we explore some of the research on the algebra performance of students with disabilities and reasons for their difficulties. In addition, we discuss pedagogical practices that best serve students with learning disabilities in algebra. Arithmetic to Algebra Gap The difficulty with symbolic reasoning can be heightened when teachers introduce algebra concepts that are more difficult than arithmetic instruction (see Figure 1). According to some researchers, educators need to attend to the following instructional techniques to help students make connections between arithmetic to algebra and understand algebraic notation. Specifically, educators should use three principles: 1. Teach through stories that connect math instruction to students' lives. For example

137. Algebra Story And Word Problems 21st Century Problem Solving introduces how to solve problems reliably in Grade school through grad school and beyond in all subjects that use mathematics for problem solving for problem solving . http://www2.hawaii.edu/suremath/intro_algebra.html

Reliable problem solving in all subjects that use mathematics for problem solving. Algebra, Physics, Chemistry... from grade school to grad school and beyond. For Windows users, NuCalc 2.0 (The Graphing Calculator for Windows) includes capabilities similar to SureMath. Only identify what is asked for. Ignore all the ifs, ands and buts.... A problem is understood by solving it not by pondering it. sign guestbook. See guestbook. This site is directed to students teachers administrators Parents and other professionals. document.write(''); The next generation of problem solving Seize the moment! Teach/Learn HOW TO solve problems! Automatic math by QuickMath Algebra Expand Factor ... Determinant Graphs Equations Inequalities Numbers Percentages Scientific notation A collection of simple Word Problems illustrating concept-based problem solving. These are typical of problems in textbooks, in a variety of competency tests and real-life problems. The problems, and their solutions, on this site provide a base for

138. S.O.S. Mathematics - Algebra S.O.S. Mathematics algebra The algebra index of the extensive S.O.S.Math site has lessons and reference material on units of conversion, complex numbers, equations, and much more. Each section http://rdre1.inktomi.com/click?u=http://www.sosmath.com/algebra/algebra.html&

139. Webmath Webmath WebMath is an online program that instantly solves a wide variety of mathematical problems. A fillin form lets users type in polynomials, quadratic equations, radical expressions, or http://rdre1.inktomi.com/click?u=http://school.discovery.com/homeworkhelp/webmat

140. Algebra Helper - Welcome! Helps students with equations and inequalities, simplifying expression, graphing and complex numbers. Includes problem solving exercises. http://www.algebra-answer.com/

Well you have landed in the right place! Relief is just around the corner...a couple of clicks away. Introducing The Algebra Helper - an exciting new algebra learning tool. The Algebra Helper is not your typical algebra homework software. It actually helps you solve algebra problems that you type in yourself! It helps you with YOUR homework! Now, we are not going to sit here and tell you that The Algebra Helper will solve any algebra problem in the world. We are not going to try to tell you that you don't have to actually learn algebra when using our software. We are not going to tell you that we will give you all of the answers to your algebra homework. What we ARE going to tell you is this: If you want to complete your algebra homework faster ... If you want to actually understand your algebra homework

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