- HANDHELD AND PORTABLE COMPUTER CLUB Formerly PPC (UK) HPCC is a voluntary, independent body run by and for users of handheld and portable computers and calculators. While most members' main interest is in the Hewlett Packard range of models, the club is happy to discuss other models too, at meetings, through the club journal, and on these web pages. The club has been helping members for 19 years ...www.hpcc.org