![The first handheld computer, the TI-59 programmable calculator could execute a sequence of preprogrammed instructions, store and retrieve data, apply conditional logic, and make computations. Shown here with the optional PC-100C printer The first handheld computer, the TI-59 programmable calculator could execute a sequence of preprogrammed instructions, store and retrieve data, apply conditional logic, and make computations. Shown here with the optional PC-100C printer](https://external-preview.redd.it/B65aRjhhapXo3dCG-0Vi31TsQzDiic-4uTbhlbLsbag.jpg?auto=webp&s=2124888af9a2723fae98d8100da48c8f4beaab00)
The first handheld computer, the TI-59 programmable calculator could execute a sequence of preprogrammed instructions, store and retrieve data, apply conditional logic, and make computations. Shown here with the optional PC-100C printer
![File:Vintage Texas Instruments Model TI-1450 Pocket LED Calculator, Original Price 16.00 USD, Made in USA, Circa 1976 (9302655836).jpg - Wikimedia Commons File:Vintage Texas Instruments Model TI-1450 Pocket LED Calculator, Original Price 16.00 USD, Made in USA, Circa 1976 (9302655836).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6a/Vintage_Texas_Instruments_Model_TI-1450_Pocket_LED_Calculator%2C_Original_Price_16.00_USD%2C_Made_in_USA%2C_Circa_1976_%289302655836%29.jpg)
File:Vintage Texas Instruments Model TI-1450 Pocket LED Calculator, Original Price 16.00 USD, Made in USA, Circa 1976 (9302655836).jpg - Wikimedia Commons
![File:Vintage Texas Instruments Model SR-10 Pocket LED Calculator, First of a Line of TI "Slide Rule" Models, Sealed Battery, Price - 149.95 USD, Circa 1972 (9304906070).jpg - Wikimedia Commons File:Vintage Texas Instruments Model SR-10 Pocket LED Calculator, First of a Line of TI "Slide Rule" Models, Sealed Battery, Price - 149.95 USD, Circa 1972 (9304906070).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/ad/Vintage_Texas_Instruments_Model_SR-10_Pocket_LED_Calculator%2C_First_of_a_Line_of_TI_%22Slide_Rule%22_Models%2C_Sealed_Battery%2C_Price_-_149.95_USD%2C_Circa_1972_%289304906070%29.jpg)