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.

Yellow Mountain Imports Vintage Style Wooden Abacus (13.75 in) - Professional 17 Column Soroban Calculator with Reset Button Craftsmanship - Anti-Skid Rubber Feet

Standard Soroban (Abacus) / 23 Digits [43300]

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

Yellow Mountain Imports 10.5 Inches Digit Standard Abacus - Professional 17 Column Soroban Calculator

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

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

Vintage-Style 17 Digit Rods Wooden Abacus Soroban Chinese Japanese Calculator Counting Tool w/ Reset Button 14"

13 Digit Rods Standard Abacus Soroban Chinese Japanese Calculator Counting Tool 8"

Wowlife 13 Digits Rods with Colorful Beads Plastic Abacus Arithmetic Soroban Kid's Calculating Tool

Vintage Style Wooden Abacus Soroban 13 Column(10.7 in)Math Professional Abacus for Adults Kids with Guide Handbook and Reset Button, Anti-Skid Rubber Feet