Everything You Think You Know About the Dark Ages is Wrong
…He devised an abacus, or counting board, that mimics the algorithms we use today for adding, subtracting, multiplying, and dividing. It has been called the first counting device in Europe to function digitally—even the first computer. In a chronology of computer history, Gerbert’s abacus is one of only four innovations mentioned between 3000 BC and the invention of the slide rule in 1622. Like a modern scientist, Gerbert questioned authority. He…
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