dm319 Karma 2,456 Created 8 years ago Recent Submissions 1. ▲ The R47: A new physical RPN calculator (swissmicros.com) 196 points · 4 months ago · 113 comments 2. ▲ E⁻¹= E⁻ᵉ↑↑∞ (math.stackexchange.com) 2 points · 5 months ago · 0 comments All submissions on HN · View profile on HN