Japanese Abacus Use & Theory: Its Use and Theory

Though the Japanese Abacus may appear mysterious or even primitive to those raised in the age of pocket calculators and desktop computers, this intriguing tool is capable of amazing speed and accuracy. It is still widely used throughout the shops and markets of Asia, and its popularity shows no sign of decline. Here for the first time in English is a complete explanation of how to use the abacus. With a single reading of this concise, informative text, you will learn not only the basic principles of the abacus, but also how to use this timeless calculating device to quickly solve arithmetic pr