How To: Add large numbers with an acabus calculator

Add large numbers with an acabus calculator

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this arithmetic lesson on adding with an abacus. Who needs an electronic calculator anyway? Well, these are some pretty big numbers. If you're scared of all things not-electronic, then stay away.

Just updated your iPhone? You'll find new features for Podcasts, News, Books, and TV, as well as important security improvements and fresh wallpapers. Find out what's new and changed on your iPhone with the iOS 17.5 update.

Be the First to Comment

Share Your Thoughts

  • Hot
  • Latest