Abacus was the first calculating device Abacus was the first calculating device. It was invented about 5000 years ago in china. Simple calculations like addition and subtraction could be performed using Abacus. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to print (Opens in new window)MoreClick to share on Skype (Opens in new window)Click to share on Telegram (Opens in new window)
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