Caspar Wessel
Caspar Wessel (8 June 1745, Vestby – 25 March 1818, Copenhagen) was a Danish–Norwegian mathematician and cartographer. In 1799, Wessel was the first person to describe the geometrical interpretation of complex numbers as points in the complex plane and vectors. Provided by Wikipedia-
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3by Wessel, Caspar, 1745-1818
Published 1771
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4by Wessel, Caspar, 1745-1818
Published 1780
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5by Wessel, Caspar, 1745-1818
Published 1777
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6by Wessel, Caspar, 1745-1818
Published 1896
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7by Wessel, Caspar, 1745-1818
Published 1876
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8by Wessel, Caspar, 1745-1818
Published 1766
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