If you are a registered user you can update for free the
version you already have by installing the programs.
these versions will only enable you to calculate with using the
example files supplied with the programs.
this way you can sample the main characteristics of our software,
and, of course, consult the on-line manual to further your knowledge
of the products.
testing purpose, it is possible to enable all the features of the
program for a limited period of 15 days.