Learn to do Math With Soroban a Japanese Abacus: Learn how to add, subtract, multiply, divide and find square roots with this easy to use instruction guide.

by SAI Speed Math Academy Paperback details (USA). (see also: eBook (Kindle)) details (UK). (see also: eBook (Kindle)) details (Germany). (see also: Kindle Ausgabe) details (Canada). (see also: eBook (Kindle)) ISBN: 978-1-5371-6329-1 ISBN-10: 1-5371-6329-9 CreateSpace Independent Publishing Platform · 2016