Kyle Rankin on Nostr: npub1yfpht…r996n One of my favorite mechanical calculators to use though!npub1yfphtmnuu68lvyyxyxz02f9m9wdkkjw3a5umqljrx82a2ftyxkzq2r996n (npub1yfp…996n) One of my favorite mechanical calculators to use though!