use warnings; use DBI; use Math::Trig qw(tan sec csc cot asin acos atan asec acsc acot sinh cosh tanh sech csch coth asinh acosh atanh asech acsch acoth); use Math::MatrixReal; package FRAG_LIB; use Exporter; our @ISA = qw(Exporter); our @EXPORT = qw(RadToDegree); our @EXPORT_OK = qw(); sub RadToDegree() { return (($_[0] * 180)/ Math::Trig->pi()); }