1. Elements Of Abstract And Linear Algebra By Edwin H. Connell Full online book on abstract algebra with emphasis on linear algebra. Format DVI, PDF, PS and gzippedPS. http://www.math.miami.edu/~ec/book/

Elements of Abstract and Linear Algebra Edwin H. Connell This is a foundational textbook on abstract algebra with emphasis on linear algebra. You may download parts of the book or the entire textbook. It is provided free online in PDF DVI postscript , and gzipped postscript. Please read some words from the author first. Join the revolution in education! Write a supplement to this book and put it online. Participate in and contribute to a forum on abstract and linear algebra. Ask questions, give answers, and make comments in a worldwide classroom with the internet as blackboard. [December 20, 2002] The entire book Introduction Outline Chapter 1: Background and Fundamentals of Mathematics Chapter 2: Groups Chapter 3: Rings Chapter 4: Matrices and Matrix Rings Chapter 5: Linear Algebra Chapter 6: Appendix Index Please send comments to Edwin H. Connell Web page created by Dmitry Gokhman

2. Introduction To Algebra Introduction to basic algebra concepts. Brought to you by Math League Multimedia. Introduction to algebra. Variables. Expressions. Equations. Solution of an equation 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

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5. ABSTRACT ALGEBRA ON LINE Contains many of the definitions and theorems from the area of mathematics generally called abstract Category Science Math algebra......WELCOME TO ABSTRACT algebra ON LINE. This site contains many of the definitionsand theorems from the area of mathematics generally called abstract algebra. http://www.math.niu.edu/~beachy/aaol/

WELCOME TO ABSTRACT ALGEBRA ON LINE This site contains many of the definitions and theorems from the area of mathematics generally called abstract algebra. It is intended for undergraduate students taking an abstract algebra class at the junior/senior level, as well as for students taking their first graduate algebra course. It is based on the following books. Abstract Algebra Second Edition , by John A. Beachy and William D. Blair Waveland Press , P.O. Box 400, Prospect Heights, Illinois, 60070, Tel. 847 / 634-0081 Abstract Algebra II , by John A. Beachy Interested students may also wish to refer to a closely related site that includes solved problems: the OnLine Study Guide for Abstract Algebra The site is organized by chapter. The page containing the Table of Contents also contains an index of definitions and theorems, which can be searched for detailed references on subject area pages. Topics from the first volume are marked by the symbol and those from the second volume by the symbol . To make use of this site as a reference, please continue on to the Table of Contents.

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S.O.S. Homepage Trigonometry Calculus Differential Equations ... CyberBoard Search our site! S.O.S. Math on CD Sale! Only $19.95. Works for PCs, Macs and Linux. Tell a Friend about S.O.S. Books We Like Math Sites on the WWW S.O.S. Math Awards ... Privacy Concerns? We recommend: Fractions Before You Start Reminder Simple Fractions Complex Fractions ... Cubic Measure Complex Numbers Basic Definitions and Arithmetic The Complex Plane The Polar Form of a Complex Number Euler's Formula Quadratic Equations Basic Definitions Solutions or Roots of Quadratic Equations Completing the Square Quadratic Formula ... Sign of Quadratic Functions: Application to Inequalities Factorization and Roots of Polynomials Polynomial Long Division An Introduction: Factoring and Roots of Polynomials Finding Roots of Polynomials Graphically and Numerically The Fundamental Theorem of Algebra ... Systems of linear equations in Three variables. Inequalities Basic Rules The Real Number Line, Interval Notation and Set Notation Absolute Value Inequalities Solving Polynomial Inequalities by Graphing ... Solving Rational Inequalities Analytically Inverse Functions Introduction Inverse Functions With No Domain Restriction Composition of Functions Inverse Functions With Domain Restriction ... Solving word problems related to exponential and logarithmic functions Rational Functions The Method of Partial Fractions Contact us Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA

7. Beiträge Zur Algebra Und Geometrie Homepage Biannual journal on algebra, geometry, algebraic geometry, and related fields. Mostly in English.Category Science Math Geometry Journals......Beiträge zur algebra und Geometrie Contributions to algebra andGeometry. ISSN 01384821 · Electronic Edition Managing Editors. http://www.emis.de/journals/BAG/

Contributions to Algebra and Geometry Managing Editors The mathematical Journal was founded in 1971 on the occasion of the 65th birthday of O.-H. Keller. It publishes research articles in the areas of algebra, geometry, algebraic geometry and related fields , preferably in English language. For fastest access: Choose your nearest server! Editorial Contents Volume 34 (1993): No. 1 No. 2 Volume 35 (1994): No. 1 No. 2 Volume 36 (1995): No. 1 No. 2 Volume 37 (1996): No. 1 No. 2 Volume 38 (1997): No. 1 No. 2 Volume 39 (1998): No. 1 No. 2 Volume 40 (1999): No. 1 No. 2 Volume 41 (2000): No. 1 No. 2 Volume 42 (2001): No. 1 No. 2 Volume 43 (2002): No. 1 No. 2 Volume 44 (2003): No. 1 Technical Notes ELibM and Heldermann Verlag

8. Purplemath - Your Algebra Resource Written primarily for students, the site contains links to resources about elementary mathematics. Includes informative modules. Purplemath Your algebra Resource. Need help with algebra? http://www.purplemath.com/

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9. Cynthia Lanius' Lessons: Algebra - Fun With Calendars Cynthia Lanius. algebra Fun with Calendars. (Calendar script may not work correctly with Internet Explorer.) http://math.rice.edu/~lanius/Lessons/calen.html

Cynthia Lanius Algebra - Fun with Calendars (Calendar script may not work correctly with Internet Explorer.) A fun mathematical puzzle to play with your friends. (Or teachers , with your class.) Take any calendar. Tell your friend to choose 4 days that form a square like the four to the right. Your friend should tell you only the sum of the four days, and you can tell her what the four days are. How does the puzzle work? You know how people always want to see a use for algebra? Well this puzzle uses algebra. Here's what I mean. Let's pretend that the 4 numbers that the person chose were the highlighted ones here - 18, 19, 25, and 26. She adds up the four numbers and tells you only that the sum is 88. You make a couple of calculations and tell her the numbers. What calculations? Lets figure that out with algebra. Let's call the first number n . Then you know that the next number would be n + 1 and the next number would be n + 7 and the next number would be n + 8 . We had our friend add up the four numbers, so let's add our four numbers: n + n + 1 + n + 7 + n + 8 And since our friend got 88 when she added them, let's make our sum equal 88:

10. ILAS Information Center (IIC) Based in Israel, promotes international co-ordination to assist the development of theoretical matrix Category Science Math Organizations......IIC (ILAS Information Center). is a service offered free ofcharge by ILAS The International Linear algebra Society. http://www.math.technion.ac.il/iic/

IIC (ILAS Information Center) is a service offered free of charge by ILAS - The International Linear Algebra Society Primary site- Canada Mirror site - Israel Mirror site - USA ... Mirror site - Portugal You can, however, support ILAS by joining it (just $20 annual fee). If you wish do so, please contact Jeff Stuart (ILAS' treasurer). Please click on our database link - IIC database to find out more about ILAS and its activities such as: General information about the Society; Links to ILAS Conferences and other related conferences; Links to the Electronic Journal of Linear Algebra and other journals; and much more information regarding research and teaching in Linear Algebra. We hope you enjoy our IIC website!

11. Linear Algebra WebNotes Complete textbook based on class notes. Includes examples of how to do proofs. Gives online access to Maple software. A tester generates different questions, but only the prelinear algebra tester software is available to the public. Must register to use. http://www.math.vanderbilt.edu/~msapir/cgi-bin/visit.cgi

12. Stichting Computer Algebra Nederland Coordinates the use of computer algebra in education and research. Research reports, newsletters Category Computers Algorithms Computational algebra......Stichting Computer algebra Nederland. About CAN. CAN Wieb Bosma, bosma@sci.kun.nl,5 juli 2001. Computer algebra Information Network. CAIN http://www.can.nl/

Stichting Computer Algebra Nederland About CAN CAN, Computer Algebra Nederland, is a foundation established in 1988 stimulating and coordinating the use of computer algebra (systems) in education and research. The number of computer algebra specialists and users in the Netherlands is limited and they are scattered over several disciplines, each having its own scientific and organizational traditions. An additional goal of CAN is to provide specialists and users with a common platform for discussing problems of mutual interest. A lot of historic material can be found by following the links to old CAN pages Access to the Dutch node of the CAINetwork is provided via the original home page below. The information has not been updated since 1998. CAN diensten Since 1995 the commercial activities of CAN are concentrated in an independent company, CAN-diensten, specializing in software for mathematics and statistiscs. Prize Problem The winner of the CAN 2001 Prize Problem has been announced (July 2002). See the to the CAN Prize Problem page.

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14. Special Interest Group On Symbolic And Algebraic Manipulation (SIGSAM) The ACM SIGSAM Bulletin. Some tables of contents and sample articles. http://www.apmaths.uwo.ca/~rcorless/sigsam/

SIGSAM BULLETIN Communications in Computer Algebra Welcome to the home page of the SIGSAM Bulletin. This page includes the table of contents for some issues of the Bulletin. One sample paper from each issue can be downloaded from this site. You may order the Bulletin by becoming a member of SIGSAM. You may become a member of SIGSAM through ACM, which you may contact at this URL Other Sites of Interest BiBTeX archive (HTML form) for Sigsam Articles 19721996 , automatically produced by the program of Nelson H. F. Beebe SIGSAM ARCHIVE (maintained by Gene Cooperman-more current than the ACM page SIGSAM Fact Sheet (maintained by ACM) Other Computer Algebra Sites of Interest Contents of Recent Bulletin Issues These pages are all ugly-we're experimenting. Contents of Volume 30, No. 1, Issue 115, March 1996 Contents of Volume 30, No. 2, Issue 116, June. 1996 Contents of Volume 30, No. 3, Issue 117, Sept. 1996 Contents of Volume 30, No. 4, Issue 118, Dec. 1996 ... Contents of Volume 31, No. 2, Issue 120, June 1997 The 64 page issues begin here. Contents of Volume 31, No. 3, Issue 121, September 1997

15. Algebra Story And Word Problems Become a word problem wizard by practicing with these brain twisters and teasers. Great for grades K12. subjects that use mathematics for problem solving. algebra, Physics, Chemistry from grade school to grad school and http://www2.hawaii.edu/suremath/intro_algebra.html

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16. ABSTRACT ALGEBRA ON LINE: Contents ABSTRACT algebra ON LINE. This site contains many of the definitions and theoremsfrom the area of mathematics generally called abstract algebra. http://www.math.niu.edu/~beachy/aaol/contents.html

ABSTRACT ALGEBRA ON LINE This site contains many of the definitions and theorems from the area of mathematics generally called abstract algebra. It is intended for undergraduate students taking an abstract algebra class at the junior/senior level, as well as for students taking their first graduate algebra course. It is based on the following books. Abstract Algebra Second Edition , by John A. Beachy and William D. Blair Waveland Press , P.O. Box 400, Prospect Heights, Illinois, 60070, Tel. 847 / 634-0081 Abstract Algebra II , by John A. Beachy Interested students may also wish to refer to a closely related site that includes solved problems: the OnLine Study Guide for Abstract Algebra In addition to the Table of Contents, this page contains an index of definitions and theorems, so it can be searched for detailed references on subject area pages. Topics from the first volume are marked by the symbol and those from the second volume by the symbol Click here for the version with frames. The site is maintained by John Beachy as a service to students. email: beachy@math.niu.edu

17. Coolmath.com - An Amusement Park Of Mathematics... And More! An amusement park of mathematics. Puzzles and number problems, fractals, geometry, calculus, algebra, online games, online calculators, and links. http://www.coolmath.com/

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18. Frequently Asked Questions In Mathematics Covers diverse topics such as algebra structure, names for large numbers, how to compute pi and games. http://www.cs.unb.ca/profs/alopez-o/math-faq/math-faq.html

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19. S.O.S. Math - Matrix Algebra SOS Homepage algebra Trigonometry Calculus Differential Equations ComplexVariables Tables CyberExam CyberBoard Click Here, Search our site! http://www.sosmath.com/matrix/matrix.html

S.O.S. Homepage Algebra Trigonometry Calculus ... CyberBoard Search our site! S.O.S. Math on CD Sale! Only $19.95. Works for PCs, Macs and Linux. Tell a Friend about S.O.S. Books We Like Math Sites on the WWW S.O.S. Math Awards ... Matrix Exponential Applications: Application of Invertible Matrices: Coding Complex numbers as Matrices Markov Chains Systems of Linear Equations System of Equations: An Introduction Systems of Linear Equations: Gaussian Elimination Systems of linear equations in Two variables. Systems of linear equations in Three variables. ... More Problems on Linear Systems and Matrices Determinants Introduction to Determinants Determinants of Matrices of Higher Order Determinant and Inverse of Matrices Application of Determinant to Systems: Cramer's Rule Eigenvalues and Eigenvectors Eigenvalues and Eigenvectors: An Introduction Computation of Eigenvalues Computation of Eigenvectors The Case of Complex Eigenvalues ... Diagonalization APPENDIX Tables Contact us Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA users online during the last hour

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Practical Algebra Lessons Home The following lessons give practical tips, hints, and examples, and point out common mistakes. They are cross-referenced to each other, to help you find related material. Search this site for: powered by FreeFind Preliminary Topics Absolute Value Factoring Numbers Fractions Geometric Formulas ... Number Bases (binary, hexidecimal, etc.) Number Properties (Distributive, etc.) Number Types (natural, integer, real, etc.) Percents/Decimals/Fractions (converting) Rounding (and significant digits Beginning Algebra Topics Canceling Units Distance Formula Engineering Notation Evaluation ... Exponents (basic, negative, fractional) Graphing Overview Graphing: Absolute Value Graphing: Linear Equations Graphing: Radical Equations ... Inequalities Overview (three methods) Inequalities: Linear NEW Intercepts Midpoint Formula Order of Operations Polynomials (definitions & "like terms") Polynomials: Multiplying Polynomials: Dividing Radicals (square roots, cube roots, etc.) Scientific Notation Simple Factoring such as 2x + 6 = 2(x + 3) NEW Simplifying with Parentheses NEW Slope of a straight line Slope and Graphing Slope and y-intercept (their meaning in word problems) Solving: Absolute Value Equations Solving: Linear Equations Solving: Literal Equations Solving: Radical Equations ... Straight-line equations (y = mx + b) Variables x,y-Plane

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