Difference engine
Printing & Information Machines

Difference engine

Designed in the 1820s

A difference engine calculates tables through repeated additions using the method of finite differences. Charles Babbage's designs linked arithmetic mechanisms with the goal of reducing errors in printed mathematical tables.

About this artifact

A difference engine calculates tables through repeated additions using the method of finite differences. Charles Babbage's designs linked arithmetic mechanisms with the goal of reducing errors in printed mathematical tables.

Sources & image credits

Reference article ↗

Documented image of this machine or its operating principle; see image credits for the original date and subject.

Image: Babbage_Difference_Engine.jpg
Creator: User:geni
License: CC BY-SA 4.0

Original image & attribution ↗ · License terms ↗

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