ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY
Varia Opera Mathematica. This work, by the French mathematician Pierre de Fermat (1601-1665), was published posthumously in 1679. It concerns analytical geometry and includes work on finding the centres of gravity for plane and solid figures, and determining the maxima, minima and tangents of various curves. This front page is from the 1679 edition.
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