October 4, 1979: HP 41c Programmable Calculator : Day in Tech History

Subscribe! Spotify | RSS | MoreHewlett Packard came out with their first Programmable calculator in 1979. The HP-41c was the first to give alphanumeric display capabilities. It would actually tell you what to do (ex. “ENTER RADIUS”) instead of leaving your wondering. It also had four ports that could be used to expand memory, install […]

CASIO Game Calculator - Invaders - SL-880-N

a calendar of mathematical dates january - USMA - West Point

HP-41 Scientific Calculator Fan Club

The PPC Calculator Archive