How To Use A Japanese Abacus: A step-by-step guide to addition, subtraction, multiplication, division, square roots and practical examples for the Japanese abacus (Soroban).

Abacus Mind Math Level 1 Workbook 1 of 2: Excel at Mind Math with Soroban, a Japanese Abacus

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.

Abacus Mind Math Level 1 Workbook 2 of 2: Excel at Mind Math with Soroban, a Japanese Abacus

How To Use A Chinese Abacus: A step-by-step guide to addition, subtraction, multiplication, division, roots and more.

Abacus Mind Math Instruction Book Level 1: Step by Step Guide to Excel at Mind Math with Soroban, a Japanese Abacus (Volume 1)

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

Short-Cut Math

Abacus Mind Math Level 3 Workbook 2 of 2: Excel at Mind Math with Soroban, a Japanese Abacus. (Volume 3)

Abacus Mind Math Instruction Book Level 2: Step by Step Guide to Excel at Mind Math with Soroban, a Japanese Abacus (Volume 2)