xxxxxxxxxxxxxxxxx PREPRO
2026 Home
Page by Dermott E.
Cullen PREPRO 2026 is
ENDF/B-VIII.1
Tested and Completely FORTRAN, C
and C++ Compatible xxxxxxxxxxxxxxxxx Recent changes in ENDF
Format and procedures, as well as the evaluations themselves
makes it impossible
for versions of the ENDF/B pre-processing codes earlier than
PREPRO 2026 (2026-1
Version) to accurately process current ENDF
evaluations. The present codes can
handle all existing ENDF/B-VIII.1
evaluations. Documentation
is NOT included with downloaded codes for each
computer. You must download
documentation separately. Download
BEST Input Parameters
