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Archaeologists in China say they've discovered the world's oldest decimal calculator. Dating back 2,300 years, it consists of 2,500 bamboo strips inscribed with 65 ancient symbols. The multiplication matrix was used to calculate the surface area of land, crop yields, and taxes.

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DISCUSSION

mikevogts
Mike Vogts

"Researchers have yet to speculate on how effective the calculator was as spelling 'boobies'."