Adam Ries (1492–1559)

Born 1492 CE, died 1559 CE.

Adam Ries (1492 or 1493 – 30 March 1559) was a German mathematician. He is also known by the name Adam Riese. He is known as the "father of modern calculating" because of his decisive contribution to the recognition that Roman numerals are unpractical and to their replacement by the considerably more practical Arabic numerals.

Text from the Wikipedia article Adam_Ries, licensed CC BY-SA 4.0.

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