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The history of zero. It is hard to imagine what life was like before we had the number zero. Numbers were very long and extremely difficult to multiply. Imagine this sum: DCCCLXXVII x MMCCLXIX in Roman numbers, or imagine that you could not use 0 to write 1,000,001. In Europe zero was once thought to be the work of the Devil, because it meant ‘nothing’ and it was impossible to show nothing (1,120 words).