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Fuel cell
Animation produced in collaboration with the Musée des Arts et Metiers - Paris.
The arithmetic machine created by Blaise Pascale (1623-1662) - the Pascaline - was one of the first mechanical calculating devices (first model 1642). It's a calculating machine because the carrying over across places occurs automatically.
It enables one to directly add and subtract. It is also possible to multiply and divide using successive additions and subtractions.
Click on the sliding bar at top to change operations (addition or subtraction).
Click on a digit on the toothed wheels or just point at it with the stylus.
Click on the "return" button then add 1 to return the Pacaline to zero.
Enroll your school to take advantage of the sharing options. Once registered, the links below will include activation codes.
