Abacus

Revision as of 13:10, 30 July 2008 by Xantos C. Guin (talk | contribs) (stub)

The abacus is a manual calculator that can do addition, subtraction, multiplication, division, square roots and cube roots. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator. Still, in rural parts of China and Japan the abacus is still widely used.

This article is a stub. Help us out by expanding it.