Visual Numerics Inc., a leading provider of numerical analysis and visualization software, today announced the immediate availability of the IMSL Thread Safe Fortran Numerical Library. This latest addition to the Company's flagship IMSL product for Fortran developers has added complete thread safety for improved speed and performance in high performance computing environments. With unmatched thread safe functionality and Visual Numerics' historical superiority in accuracy and reliability, the IMSL Thread Safe Fortran Numerical Library is the most powerful collection of mathematical and statistical algorithms available. It is ideal for application development in high performance computing organizations, such as government laboratories and university research centers, where speed and accuracy are critical.