Providing a full-length investigations of Pierre de Fermat's life and work, this title provides rare insight into the mathematical genius of a hobbyist who never sought to publish his work, yet who ranked with his contemporaries Pascal and Descartes in shaping the course of modern mathematics.
Now fully revised and updated--a carefully designed and beautifully illustrated photographic field guide helps readers to identify the day-flying moths most likely to be seen in Great Britain and Ireland. Includes individual accounts for 158 species and full-color photos of 28 others.hers.