FIRST digital calculator (1 janv. 1970 – 31 déc. 1979)
Description:
The Japanese produced the first digital calculators and the some US companies created some that resembled the Japanese's models. The microchip that was used allowed these types of calculators to be pocket-sized.Ajouté au bande de temps:
Date:
1 janv. 1970
31 déc. 1979
~ 10 years