Ben, Felix and Max take us back to 1972 and the invention of the first calculator this week, then decide to hack their own! Watch as they use the Raspberry Pi Compute Module and a Formlabs SLA 3D printer to create their own graphing calculator.
https://www.element14.com/community/docs/DOC-77309/l/episode-192-ben-hecks-diy-calculator-episode