Japanese Abacus : Its Use and Theory Takashi Kojima
Publisher: Charles and Tuttle Company

This concise and informative text contains the basic principles of mathematical calculations on the abacus. The Japanese Abacus: its Use and Theory. *The Japanese Abacus : Its Use and Theory, by: Kojima Takashi I forgot this one. Kojima, Takashi (1954), The Japanese Abacus: its Use and Theory, Tokyo: Charles E. I have a book that goes with it, "The Japanese Abacus: Its Use and Theory" by Takashi Kojima, and I've been getting to grips with it. The abacus was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere. The user of an abacus is called an abacist. An event that sparked my interest in abaci and in computers. The Japanese Abacus: Its Use and Theory. The Japanese abacus: Its use and theory. Ibn Labban, Principles of Hindu reckoning (M. Japanese Abacus : Its Use and Theory. Number Words and Number Symbols: A Cultural History of Numbers. Although electronic calculators are replacing it for practical reasons, the use of the abacus continues to be taught in technologically advanced countries such as Japan. In sand or on tablets of wood, stone, or metal. Release Date: 1965; Publisher: Charles E. Related Products Japan Japanese Standard Abacus Soroban Tomoe Four balls 23 figures Guide Related Products. In Tokyo in 1964 I bought a Soroban with Kojima's book "The Japanese Abacus: Its Use and Theory".