The Abacus. The World's First Computing System: Where It Comes From, How It Works, and How...

The Abacus. The World's First Computing System: Where It Comes From, How It Works, and How...

106 Pages · 2013 · 3.87 MB · English
by Jesse Dilson
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“ Your task is not to seek for love, but merely to seek and find all the barriers within yourself that you have built against it. ” ― Rumi
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