These libraries provide a standardized set of procedures for solving linear algebra and matrix algebra problems. Two versions of the BLAS library are provided, a standard version suitable for use with generic Pentium processor hardware, and a highly optimized version for use with systems using Pentium 4 processors. The LAPACK library is only supplied in a single version, but may be linked with the Pentium 4 optimized versions of BLAS. For more information concerning this implementation of the BLAS and LAPACK libraries, see the BLAS/LAPACK PDF document in the manuals directory of your LF Fortran distribution. For more information concerning specific procedures, see the online User's Manual.