       
   to find the other packages : http://www.simtel.net/

      
      Sources : Presentation of the function.
      *******   ============================
                
   matrxf.zip : You can work with fractions.
   matrxg.zip : You can also work with integers.
   matrxh.zip : Useful Functions.
   ...          ...

   The coefficients, integers or fractions, 
   are randomly selected by the computer.
   ========================================
   The size of the matrices, 
   are randomly selected by the computer, 
   but you can selecte the size if you want                
   ========================================

   mtrxaa.zip : How to use the basic functions.

   mtrxab.zip : Verify with numeric applications, 
                the properties of matrix arithmetic.

   mtrxac.zip : Verify with numeric applications, 
                * The properties of zero matrices.
                * The properties of the transpose.
                * The theorem of transpose.
                * The theorem of inverse matrices.  
                                     
   mtrxad.zip : Verify with numeric applications,
                * (A+B)**2.
                * (A-B)**2.
                * (A-B) (A+B).
                * Power and inverse.
                * Symetric and Skew-Symetric matrices.   
                                    
   mtrxae.zip :  Verify with numeric applications,
                * Solving linear systems by matrix inversions.
                * Linear systems with common coefficient matrix.                                      
   mtrxaf.zip : Verify with numeric applications, 
                * The system of equation Ax = b is consistent.
                * Inverses of symmetric matrices.
                * Power, inverse of diagonal matrices
                * Multiply, inverse of triangular matrices.
                * Trace property. 
                                       
   mtrxag.zip : Verify with numeric applications, 
                the value of the determinant of 
                * a diagonal matrix
                * a triangular matrix (upper, lower)
                * a basic matrix.                                      
   ...            ...
 
                Application.
                ===========

   mtrxid.zip : Identity matrix application   I
   mtrxic.zip : Identity matrix application  II
   mtrxgo.zip :       Geometric application.
   mtrxch.zip :       Chemistry application.

   mtrxsy.zip : Resolve some nonlinear systems of equations.


     Programs :
     ********

     xbaa.zip : add, substract, multply, inverse, ... some matrices.

     xbab.zip : Verify, the properties of matrix arithmetic I.
     xbac.zip : ...                                         II.
     xbad.zip : ...                                         III.
     xbae.zip : ...                                         IV.
     xbaf.zip : ...                                         V.
     
