'''Amédée Mannheim''' (1831-1906) was a [[France|French]] [[mathematics|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 [[France|French]] [[mathematics|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]]. |