First Electronic Pocket Calculator

Texas Instruments of Dallas, TX, USA introduced a battery-powered electronic pocket calculator on August 20, 1971. The calculator weighed about 2.5 pounds, cost US$149, could add, subtract, multiply, and divide, while displaying the results in an LED light-emitting window.

Date:
      August 20, 1971
Location:
      Dallas, TX, USA

Additional Information:

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