difference 750c and 755??

[Jan van der Meulen <janomill@fris.nl>]

Hello,

I often see programs for use with the TP755??, and I wonder if I
should/could use them on my TP750c.
For instance, when I visit the IBM ftp side, there are a lot of files which
seem only to be used with the TP755?? 
Jan van der Meulen