Soroban Abacus Handbook 1.03

gis.net -1 THE ABACUS HANDBOOK 1 THE ABACUS HANDBOOK 31 THE ABACUS HANDBOOK 42 Abacus - Negative numbers - by Torsten Reincke 47 idirect.com -1 Advanced Abacus Techniques 55 THE ABACUS HANDBOOK 57 THE ABACUS HANDBOOK 61 Kato Fukutaro's Method for Extracting Square Roots - Edvaldo Siqueira 64 Examples from Kojima's book 73 Examples from Kojima's book 80 Advanced Multiplication Techniques for Chinese Suan Pan - Francis Wong and Totton Heffelfinger 84 http://webhome.idirect.com/~totton/suanpan/sh_div/ 91 Long Division on a Chinese Suan Pan - Totton Heffelfinger 98