--- doc/otherfiles/perl_modules.txt	2001/05/28 20:44:01	1.1
+++ doc/otherfiles/perl_modules.txt	2001/05/30 17:10:18	1.2
@@ -7,7 +7,21 @@ index the perl modules
 used in constructing
 LON-CAPA-systemperl
 
+----------------------------------------------- Math-Cephes
 http://www.cpan.org/authors/id/R/RK/RKOBES/Math-Cephes-0.25.tar.gz
+The Math::Cephes module provides a perl interface to over
+150 functions of the cephes math library of Stephen Moshier.
+
+Note, bit arithmetic makes this build architecture dependent
+for only IBM-PC-like computers.
+
+perl Makefile.PL
+make
+make test
+make install
+
+files
+
 
 
 and others...