Jean-François Callet
Jean-François Callet (* 1744 in Versailles , † 1799 in Paris ) was a French mathematician .
Life
Callet was a professor of hydrography at the Dépôt de la Guerre . In 1783 he published William Gardiner's log tables and in 1795 added the logarithms of the trigonometric values for the new decimal division of a circle . These boards were printed by Firmin Didot using the stereotype process . In 1857 an improved edition by J. Dupuis appeared.
Web links
- Literature by and about Jean-François Callet in the SUDOC catalog (Association of French University Libraries)
Individual evidence
- ^ Marie-Nicolas Bouillet , Alexis Chassang (Ed.): Dictionnaire universel d'histoire et de geographie . Librairie Hachette et Cie., 1878, p. 319 .
- ↑ Ph. Le Bas: L'Univers: histoire et description de tous les peuple, de leur religions, moers, coutumes, etc. F. Didot fréres, 1841, p. 16-17 .
| personal data | |
|---|---|
| SURNAME | Callet, Jean-François |
| BRIEF DESCRIPTION | French mathematician |
| DATE OF BIRTH | 1744 |
| PLACE OF BIRTH | Versailles |
| DATE OF DEATH | 1799 |
| Place of death | Paris |