ftp.nice.ch/pub/next/developer/languages/prolog/elk-prolog.d.tar.gz#/prolog1.1/Interval

add.ss
 

geq.ss
 

gt.ss
 

int.ss
 

mult.ss
 

neq.ss
 

precision.ss
 

prim.ss
 

relax.ss
 

split.ss
 

unify.ss
 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.