dm319 Karma 2,567 Created 9 years ago Recent Submissions 1. ▲ HP re-releases classic computer science calculator: The HP-16C (hpcalcs.com) 216 points · 5 months ago · 129 comments 2. ▲ The R47: A new physical RPN calculator (swissmicros.com) 196 points · 12 months ago · 113 comments All submissions on HN · View profile on HN