basically you do not
If you have the full 4.6 gig dvd then KDE is on it and there are the average KDE programs
The selection is limited .
But if it is the live cd
you do not
GET online !!
physically move the computer to a coffee shop with an open wifi
or take it over to a friends house with a dsl or cable connection but get on line
then it is easy
also the BETA version of 16 WAS a TESTING ONLY early release with A LOT and i DO MEAN A LOT of UNFIXED BUGS
-- do NOT use it !!!--
install the CURRENT Official release
octave requires about 20 wxWidgets rpm's
and for the qt gui "qtOctave "
a bunch of other programs like
... and others...
and is near imposable to install offline