Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Mar 9, 2012
A visual explanation of how the Pascaline works. The Pascaline was the first successful mechanical calculator. It was developed in the 1640's by the mathematician Blaise Pascal. This video includes detailed animations explaining how the mechanisms inside the Pascaline work and shows how the Pascaline can be used to add or subtract a series of numbers.