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History Practice: Add & Sub Multiplication Links Maintained by suitti@uitti.net, Stephen Uitti

These are links, mostly about the Japanese Soroban. They are in no particular order. THE ABACUS HANDBOOK Tomoe Soroban The Art of Calculating with the Beads The League of Japan Abacus Associations Discover Abacus The Abacus: A History A "Java" Abacus Advanced Abacus Techniques Abacus Instruction - Sigma Educational Supply Co. Abacus-Online-Museum Math games for kids, homeschool and classroom RightStart Mathematics The Abacus: The Lee Kai-chen Abacus Supermath soroban instruction article: After students spend time in SuperMath class FunBrain.com The Abacus: Index Soroban - japanese abacus Flash Mental Calculation Soroban virtual Sorocalc Kato Fukutaro's Method for Extracting Square Roots - Edvaldo Siqueira Square Root - Abacus Arithmetic by Welton J. Crook Math Forum: BEATCALC The Abacist's Guide to the Internet AAA Math Read This: The Math Gene Books by Keith Devlin Expert soroban children movie Expert soroban children movie 2 Predetermining the unit rod eabacus Abacus Instruction - Sigma Educational Supply Co. Use Of The Abacus For Addition And Subtraction Book 1 edHelper.com - Math, Reading Comprehension, Themes, Lesson Plans, and Worksheets Welcome to Japanese Abacus Math School of Portland. FLASH ANZAN APH Products: Cranmer Abacus Ekkehart Kiefer Kunststofftechnik (aid for the blind) IQabacus Math