chacha21 Karma 210 Created 5 years ago Recent Submissions 1. ▲ Show HN: All desktop software calculators are wrong, so I had to build my own 286 points · 4 years ago · 162 comments 2. ▲ All desktop calculators are wrong, so I had to build my own (chachatelier.fr) 16 points · 5 years ago · 8 comments All submissions on HN · View profile on HN