Pascaline
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The Pascaline is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the super
A Pascaline signed by Pascal in 1652
Top view and overview of the entire mechanism. This version of Pascaline was for accounting.
Four Pascalines and a clone from Lépine on display at the CNAM museum in Paris
Detail of the carry mechanism and of the sautoir
Mechanical calculator
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A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or a simulation like an analog computer or a slide rule. Most
Replica of Schickard´s calculator
Detail of a replica of an 18th-century calculating machine, designed and built by German Johann-Helfrich Müller.
A mechanical calculator from Anton Braun, dated 1727