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jan 1, 1978 - First solar-powered and first credit card sized calculators.

Description:

One of the first solar-powered calculators is the Teal Photon. The Casio Mini Card LC-78 is the first credit card sized calculator

Added to timeline:

13 Sep 2017
0
0
505
The Calculator

Date:

jan 1, 1978
Now
~ 46 years ago
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