Back جان روبرت أرغند Arabic جان روبرت ارجند ARZ ژان رابرت ارقاند AZB জঁ রোবের আরগঁ Bengali/Bangla Jean-Robert Argand Catalan Jean-Robert Argand Czech Jean-Robert Argand German Ζαν-Ρομπέρ Αργκάν Greek Jean-Robert Argand Spanish ژان رابرت ارگاند Persian
Jean-Robert Argand | |
|---|---|
| Born | July 18, 1768 Geneva, Republic of Geneva |
| Died | August 13, 1822 (aged 54) |
| Nationality | Republic of Geneva, and then Switzerland (since 1815) |
| Known for | Argand diagram and Proof of Fundamental Theorem of Algebra |
| Scientific career | |
| Fields | Mathematics |
Jean-Robert Argand (UK: /ˈɑːrɡænd/, US: /ˌɑːrˈɡɑːn(d)/,[1][2] French: [ʒɑ̃ ʁɔbɛʁ aʁɡɑ̃]; July 18, 1768 – August 13, 1822) was a Genevan amateur mathematician. In 1806, while managing a bookstore in Paris, he published the idea of geometrical interpretation of complex numbers known as the Argand diagram and is known for the first rigorous proof of the Fundamental Theorem of Algebra.
- ^ Wells, John C. (2008). Longman Pronunciation Dictionary (3rd ed.). Longman. ISBN 978-1-4058-8118-0.
- ^ Jones, Daniel (2011). Roach, Peter; Setter, Jane; Esling, John (eds.). Cambridge English Pronouncing Dictionary (18th ed.). Cambridge University Press. ISBN 978-0-521-15255-6.