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The Decimal Point is 150 Years Older Than You Thought | WORT Community Radio, Madison Wisconsin
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klystron is
in
Madison, WI
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2024-03-11
A podcast from a community radio station in Madison, Wisconsin, tells us about the discovery that an Italian merchant, Giovanni Bianchini, used decimal point in his arithemetic in 1441. This is 150 years earlier than their supposed invention by German mathematician Christopher Clavius, in 1893.
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