- indicatrix of tangents
- индикатриса касательных
English-Russian electronics dictionary .
English-Russian electronics dictionary .
Charles Dupin — Pierre Charles François Dupin (October 6, 1784 in Varzy, Nièvre – January 18, 1873 in Paris, France) was a French Catholic mathematician. He studied geometry with Monge at the École Polytechnique and then became a naval engineer. In 1819 he was… … Wikipedia