Engineering and Scientific Subroutine Library product provides the AIX FORTRAN Runtime Environment for use with the library.
| essl | ESSL |
Contains over 400 math routines highly tuned for POWER, POWER2, PowerPC (long precision), and Scalable POWERparallel (serial mode only) systems.
| xlfrte | AIX XL FORTRAN Run-Time Environment |
Contains libraries and default run-time messages. This package should be installed if ESSL is to be installed and the AIX XL FORTRAN product will NOT be installed.