Sold Price: 5 Vintage LED Hand Held Calculators - March 6, 0122 10:00 AM CDT
Canon Pocketronic one of the first pocket calculators with print out onto thermal paper tape. Japan 1970 Stock Photo - Alamy
Pulp Librarian on Twitter: "Canon was one of the first to launch a pocket calculator in 1970. The Pocketronic used Texas Instruments integrated circuits, with calculations printed on a roll of thermal