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The Abacus: The Art of Calculating with Beads

Subject Area:

Mathematics

Address/URL:

http://www.ee.ryerson.ca:8080/~elf/abacus/

Description:

The abacus played an important role in both the history of mathematics and the economy of various cultures. This site will instruct on the use of the abacus as well as introduce you to the societies in which it was, and is, used.

How You Can Use This Source:

Learn how an abacus out-performed an electric calculator.
Do subtraction problems with an abacus.
Learn how to construct an abacus.
Learn about the different types of abacus and the role they played in history.

Go to The Abacus: The Art of Calculating with Beads.