dm319 Karma 2,550 Created 9 years ago Recent Submissions 1. ▲ HP re-releases classic computer science calculator: The HP-16C (hpcalcs.com) 216 points · 17 days ago · 129 comments 2. ▲ The R47: A new physical RPN calculator (swissmicros.com) 196 points · 7 months ago · 113 comments 3. ▲ E⁻¹= E⁻ᵉ↑↑∞ (math.stackexchange.com) 2 points · 9 months ago · 0 comments All submissions on HN · View profile on HN