IBM® XL Fortran for Linux is the compiler used by scientific and engineering communities to support extensive numerical, scientific, and high-performance computing.
This trial is fully functional for an evaluation period of 60 days.
You can also obtain the latest evaluation versions of the little endian compiler for Ubuntu 14.04, Ubuntu 14.10, and SLES 12 from the public apt-get and zypper repositories.
If you have purchased the compiler, download the licensed version. For more information on downloading the licensed version from Passport Advantage or Entitled Software Support (ESS), see How to download the GA image for IBM compilers.