But the 400-unit circle lived on as the gradian
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Jean-Charles de Borda
Jean-Charles, chevalier de Borda was a French mathematician, physicist, and Navy officer. He invented the Borda count system for elections, which served as basis to other voting systems. He is also known for the Borda–Carnot equation in fluid dynamics and his instruments to define the metre based on the arc measurement of Delambre and Méchain.
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science · French scientist and Navy officer (1733–1799) · mathematician · physicist · political scientist · military officer · military engineer · writer · inventor · engineer · also Jean-Charles de Borda, Jean-Charles, chevalier de Borda, Borda, M. de Borda, De Borda
Born 4 May 1733 · Died 19 February 1799 · Q369762
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1806· 1 entry
1799· 1 entry
Died 1799-02-19.
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1796· 1 entry
Career landmark: president of the French Academy of Sciences (1796–1797).
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1759· 1 entry
Studied at École royale du génie de Mézières (1758–1759).
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1748· 1 entry
Studied at collège Henri-IV de La Flèche (1744–1748).
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1733· 1 entry
Born 1733-05-04.
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