The year 1690 in science and technology involved some significant events.

List of years in science (table)
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Astronomy

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Geography

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Botany

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Mathematics

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  • Izeki Tomotoki (井関 知辰) of Osaka publishes Sampo-Hakki (算法発揮), in which he gives the resultant and the Laplace expansion of the determinant for the n×n case. At about this date, Tanaka Yoshizane (田中 由真) also describes and applies the resultant, in Sampo-Funkai (算法紛解).
  • Michel Rolle publishes Traité d'Algebre, in which he gives the first published description in Europe of Gaussian elimination.

Medicine

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  • Justine Siegemund publishes Die Chur-Brandenburgische Hof-Wehemutter ("The Court Midwife"), the first medical textbook in German written by a woman.

Technology

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Births

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Deaths

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