Amazing at the Time: Dad's First Calculator in 1973 - Connecting the Dots

ids.si.edu/ids/deliveryService?id=NMAH-DOR2014-036

The History Of The Calculator: When was the Calculator First Invented?

HNF - Desk and pocket calculators – Electronic mass products

ids.si.edu/ids/deliveryService?id=NMAH-DOR2014-038

File:Vintage Texas Instruments Datamath Pocket LED Calculator, Model TI-2500, Version 3, Made in the USA, Circa 1973 (41029101670).jpg - Wikimedia Commons

Texas Instruments releases the first pocket calculator in the 1970s. My dad had one :-)

amhistory.si.edu/ogmt/images/upload/handheld-elect

History of the Internet - Techopedia

How do calculators work? - Explain that Stuff

Texas Instruments TI 2500 Datamath

walden

Logical Necessities in Mixed Equations: 'Abd Al-Hamîd Ibn Turk and the Algebra of his Time - Muslim HeritageMuslim Heritage

The Pocket Calculator Race

My 70's TV Childhood

The Pocket Calculator Race