Amédée Mannheim
Amédée Mannheim (1831-1906) was a French mathematician who invented the modern form of the slide rule, which was the common method of performing complex arithmetic calculations until the invention of the electronic calculator.
Amédée Mannheim (1831-1906) was a French mathematician who invented the modern form of the slide rule, which was the common method of performing complex arithmetic calculations until the invention of the electronic calculator.