The first Mechanical Calculating Machine was invented by ? March 19, 2021 / By Preparation Point / Provincial Management service PMS 2020 Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA: William Oughtred B: Gottfried W. Lwibniz C: Blaise Pascal D: Charles Babbage Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn