Contents of this directory: INDEX - this file. GAMS - Files for the GAMS optimization system. OR-Library - Test data sets for a variety of Operations Research problems. ascend - The ASCEND system for engineering design. fortran - Several FORTRAN codes. harwell_boeing - Sparse matrix library. mathematica - Mathematica files. netlib - The NETLIB collection for numerical and scientific computing. sparsekit - A basic tool-kit for sparse matrix computations. starpac - The Standards Time Series and Regression Package.