1671 in science

The year 1671 in science and technology involved some significant events.

Astronomy

• Completion of Paris Observatory, the world's first such national institution.^[1]

Mathematics

• James Gregory develops a series expansion for the inverse tangent function and discovers Taylor's theorem.
• Sawaguchi Kazuyuki (沢口 一之) publishes Kokin-Sanpo-Ki　(古今算法之記), in which he gives the first comprehensive applied account of Chinese algebra in Japan.

Medicine

• Publication of Les secrets de la medecine des Chinois, the first Western book on traditional Eastern medicine, in Grenoble.

Physics

• Jacques Rohault publishes Traité de physique in Paris, disseminating Cartesian physics.

Births

• October 1 – Guido Grandi, Italian mathematician (died 1742)

Deaths

• June 25 – Giovanni Battista Riccioli, Italian astronomer (born 1598)

References