Ancient Computing Technology: From Abacuses to Water Clocks

By Mary B. Woods and Michael Woods

Ancient cultures measured time accurately with water clocks. An engineer in the first century B.C. designed an odometer to calculate distance traveled. People computed the first values of pi about four thousand years ago. Learn how ancient computing set the stage for our own modern computing technology.

• Format: Hardcover
• Language: English
• ISBN: 0761365281
• ISBN13: 9780761365280
• Release Date: January 2011
• Publisher: Twenty-First Century Books (CT)
• Length: 96 Pages
• Weight: 0.90 lbs.
• Dimensions: 0.4" x 7.0" x 9.0"
• Age Range: 12 to 15 years
• Grade Range: Grades 7 to 10