Usefull links
A Tour of Linear Programming Entries in the Mathematical Programming Glossary
AMPL
Advanced linear programming
Alternate Optimal Solutions, Degeneracy, Unboudedness, Infeasibility
BAS File Format
Benchmarks for Optimization Software
Communication Networks
Cycling and Resolution
Cycling in the Simplex Method: Example from Chvatal's Text.
Decision Tree for Optimization Software
Practical Optimization: A Gentle Introduction
Linear Solver for OpenOffice.org
Linear Programming
Linear Programming
Linear Programming Frequently Asked Questions
MATLAB
Matlab Clones
MIPLIB 3.0
MPS Format
What is MPS format?
MPTESTDATA  The NETLIB Problems for MADLIB
Michels site where you can also find older versions
NETLIB LP Test Problems
OMatrix
Practical Integer Programming
Practical Optimization: A Gentle Introduction
Scilab
The Mechanics of the Simplex Method
The MPS file format
The NETLIB LP Test Problem Set
The Simplex Method
The Simplex Method: Solving Standard Maximization Problems
Tutorials, Books and a Dictionary
NEOS server for optimization
Lp_solve link to Excel
lpsolve reference guide
lp_solve yahoo group
Linear programming  Wikipedia
Web page simplex tool
Integer Programming
Logical Constraints in Integer Programs
