Hey dude don't leave tell a mod bout it they'll fix everything up for you.
Is this a question?
*Answer: not much information to answer with*
Answer:
i think its d sorry if i am wrong
Answer:
Charles Babbage (1791-1871), computer pioneer, designed two classes of engine, Difference Engines, and Analytical Engines. Difference engines are so called because of the mathematical principle on which they are based, namely, the method of finite differences.
Explanation:
