| − | Amédée Mannheim (1831-1906) was a French mathematician who invented the modern form of the slide rule, which was the common method for performing complex arithmetic calculations until the invention of the electronic [[calculator]]. | + | {{stub}}Amédée Mannheim (1831-1906) was a French mathematician who invented the modern form of the slide rule, which was the common method for performing complex arithmetic calculations until the invention of the electronic [[calculator]]. |