A PDF viewer is often the most requested 'missing feature' from the Handheld PC. Ansyr Primer 3.1 fills this void by providing a highly customisable Portable Document Format viewer for the H/PC. Clinton Fitch discusses the strengths and weaknesses of viewing PDF files on your HPC in his latest review posted on his review archive site. Primer 3.1 is available for HPC Pro and above. Versions are also available for 2.0 and low memory devices.