This is a simple guidebook for people who are interested in learning the introduction of how an Abacus works. The book includes simple explanation of the theory

Basic Abacus Math is your perfect guidebook to be a proficiently capable abacus user. Our exercise will translate the way you look and think of numbers by visua

This is a workbook for abacus math. It contains single digit arithmetic addition and subtraction with step-by-step directions for each individual abacus rule al

ABACUS AN INTRODUCTION Volume I is the first book from the ABACUS Home Learning series written to meet the basic requirement of children to learn mathematics us

Abacus Mind Math Level 1 - Workboook 1 (for students): Topics covered: Basics of Abacus Mind Math and Plus and Minus 1 of 5 exchange concept Workbook 1 includes