The first Mechanical Calculating Machine was invented by:A. William OughtredB. Gottfried W. LeibnizC. Blaise Pascal D. Charles Babbage 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
