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11 Apr 1970 Jahr - First battery powered, hand-held, electronic calculator.

Beschreibung:

First calculator using just LSI (Large Scale Integration) chips, with ICs by Rockwell. The size & weight much reduced, calculator now portable.
First battery powered, hand-held calculator. Green fluorescent tube displays introduced.

Zugefügt zum Band der Zeit:

The Calculator

ByMarshall
13 Sep 2017
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0
683

Datum:

11 Apr 1970 Jahr
Jetzt
~ 55 years ago
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