Adam Ries

Adam Ries
contemporary portrait
Born1492 or 1493
Bad Staffelstein
Died30 March 1559
Annaberg
Scientific career
FieldsMathematics

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.

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