6 mar 1943 año - Curt Herzstark designs Curta calculator
Descripción:
An Austrian engineer called Curt Herzstark was arrested by the Nazis in 1943 and while he was imprisoned at Buchenwald concentration camp for the duration of WWII, he worked on his design of a calculator featuring a modified version of Leibniz's "stepping drum" design. When the war finished, Herzstark made the smallest all-mechanical, four-function calculator built.
Añadido al timeline:
History of Computing
1930's - 2000's
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