Linear Algebra
Performs computations associated with matrices, including solution of linear systems of equations (even least squares solution of over-determined or inconsistent systems and solution by LU factors), matrix operations (add, subtract, multiply), finding the determinant, trace, inverse, adjoint, QR...
http://www.numericalmathematics.com/downloads/lal.zip - 2Mb - Download - Screenshot

EMTask Algebra Equations
Test authoring mathematics software offers 37988 algebraic equations with answers and solutions and easy-to-use authoring options. Problems from basic to advanced are arranged by complexity and solution methods. Offered are linear, quadratic, biquadratic, reciprocal, cubic and complex fractional... The program enables users to select problems by complexity and solution methods and create math tests, homeworks, quizzes and exams of varied complexity in a minute. ... Free fully functional demo version of this program is available.
http://www.emteachline.com/light/emtasklight.exe - 3Mb - Download - Screenshot

pSogol
Math Asst. , Calculator, and Hypertext Notepad for Scientists and Engineers using Pocket PC 2003. Assists with calculating networks of formulae, dynamic simulation, differential and linear equation solution, multiple equations and unknowns, builtin script language. ... User acquires or creates application files called webs to solve particular problems of interest. ... Useful for engineering and science computations, trying out algorithms, plotting results, quantitative brain-storming, and documenting problem solutions.
http://www.codelode.com/Sogol/pSogol/PSOGOL12.exe - 2Mb - Download - Screenshot

Sogol
Math Assistant and Hypertext Notepad for Engineers and Scientists using Windows. Assists with calculating networks of formulae, dynamic simulations, equation solutions, differential, multiple equations and unknowns, with built-in script language. Useful for engineering and scientific... User acquires or creates application files called webs to solve particular problems of interest.
http://www.codelode.com/Sogol/SOGOL12.exe - 1Mb - Download - Screenshot

EMSolution Algebra Equations short
This bilingual problem-solving mathematics software allows you to work through 5018 algebra equations with guided solutions, and encourages to learn through in-depth understanding of each solution step and repetition rather than through rote memorization. ... Each solution step is provided with its objective, related definition, rule and underlying math formula or theorem. ... The software includes linear, quadratic, biquadratic, reciprocal, cubic and fractional algebraic equations. ... The software supports bilingual interface and a number of interface styles.
http://www.emteachline.com/light/emsolutionlight.exe - 4Mb - Download - Screenshot

EMSolutionLight
Free problem-solving mathematics software allows you to work through more than 500 math problems with guided solutions, and encourages to learn through in-depth understanding of each solution step and repetition rather than through rote memorization. ... This includes basic math and advanced topics, such as solutions of linear, quadratic, biquadratic, reciprocal, cubic and fractional algebraic identities, equations and inequalities, solutions of trigonometric and hyperbolic equations and more. ... The software supports a number of interface styles.
http://www.emteachline.com/light/emsolutionlight.exe - 3Mb - Download - Screenshot

EMSolution_Algebra_Equations
This bilingual program offers 38558 of fully explained step by step solutions of algebraic equations together with test authoring tools. Problems of 11 levels of complexity vary from basic to advanced: linear, quadratic, biquadratic, reciprocal, cubic, high degree and complex fractional equations. ... Each solution step is provided with the corresponding objective, definition, rule and proof of the underlying math formulae or theorem. ... A number of variant tests are ready for students to review and reinforce their skills.
http://www.emteachline.com/light/emsolutionlight.exe - 4Mb - Download - Screenshot

.NET Matrix Library
The Bluebit . NET Matrix Library provides classes for object-oriented linear algebra in the . NET platform. It can be used to solve systems of simultaneous linear equations, least-squares solutions of linear systems of equations, eigenvalues and eigenvectors problems, and singular value problems. ... NET Matrix Library does not sacrifice any performance. ... Highly optimized BLAS and the standard LAPACK routines are used within the library and provide fast execution and accurate calculations. ... While exposing an easy to use and powerful interface, the Bluebit .
http://www.bluebit.gr/NET/BNML.zip - 3Mb - Download - Screenshot

SLAE Solver
SLAE SOLVER allows to find on a personal computer high accuracy solutions of linear algebraic systems with N equations, where N may reach hundreds or thousands
http://www.advmathappl.com/slae_v1.zip - 480Kb - Download - Screenshot

Task Light
Free multilingual test authoring mathematics software enables math teachers and tutors to easily prepare math tests, quizzes and homeworks from a repository of more than 500 of solved math problems in arithmetic, pre-algebra, algebra, trigonometry and hyperbolic trigonometry, and develop... The software includes basic math problems and advanced tasks, such as solutions of linear, quadratic, biquadratic, reciprocal, cubic and fractional algebraic identities, equations and inequalities, solutions of trigonometric and hyperbolic equations and more.
http://www.emteachline.com/light/emtasklight.exe - 2Mb - Download - Screenshot