Texas Instruments TI-2500 (Datamath) Handheld Electronic Calculator | National Museum of American History
![File:Texas Instruments TI-1500 Electronic Pocket Calculator With Red LED Display, Circa 1974.jpg - Wikimedia Commons File:Texas Instruments TI-1500 Electronic Pocket Calculator With Red LED Display, Circa 1974.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/56/Texas_Instruments_TI-1500_Electronic_Pocket_Calculator_With_Red_LED_Display%2C_Circa_1974.jpg)
File:Texas Instruments TI-1500 Electronic Pocket Calculator With Red LED Display, Circa 1974.jpg - Wikimedia Commons
Texas Historical Commission - A historical marker at the headquarters of Texas Instruments commemorates Jack Kilby's monumental innovation. | Facebook
![Today in Dallas photo history - 1960: Texas Instruments installs IBM computer that "thinks in millionths of seconds" Today in Dallas photo history - 1960: Texas Instruments installs IBM computer that "thinks in millionths of seconds"](http://thumbor-prod-us-east-1.photo.aws.arc.pub/sduyuGxo9lgVjA7TdM-uZLkvxNM=/arc-anglerfish-arc2-prod-dmn/public/72JR2YF62XVZ2UEBHMFXHOSSR4.jpg)