![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 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](https://pbs.twimg.com/media/Dk5BcJnWwAES1CY.jpg)
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
Handheld Electronic Calculator Prototype - Texas Instruments Cal Tech | National Museum of American History
![Canon Pocketronic one of the first pocket calculators with print out onto thermal paper tape. Japan 1970 Stock Photo - Alamy Canon Pocketronic one of the first pocket calculators with print out onto thermal paper tape. Japan 1970 Stock Photo - Alamy](https://c8.alamy.com/comp/E28XAW/canon-pocketronic-one-of-the-first-pocket-calculators-with-print-out-E28XAW.jpg)