In the mid-1800s, Charles Babbage got fed up with doing complex calculations by hand, so he designed what he called a "Difference Engine." He... A 19th-Century Mathematician Finally Proves Himself ...
Originally presented as the author's thesis (doctoral)--Linköping University, 1987.
This painting shows a variety of objects associated with the history of computing, including an abacus, a portion of Babbage's difference engine, a punch card, electronic circuitry, a magnetic tape ...
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