10.5 Inches Digit Standard Abacus - Professional 17 Column Soroban Calculator (Functional and Educational Learning Tool)
Brand: Yellow Mountain Imports
Experience the art of math with classic 14th Century calculator technology. Ideal for improving mental calculation skills.
- Timeless Professional Reliability: The soroban is an abacus from Japan that is inspired by ancient Chinese suanpan (abacus); It features counting system used before modern numerals that is still practiced by some merchants, traders, and clerks
- An Ideal Educational Tool: Make math practice more effective; Using an abacus for kids' math is a great way to teach them how to count, equate and compute mentally
- Features Modern Conveniences: This 17-digit professional soroban abacus is made from quality ABS plastic and measures 10.5 x 2.5 x 0.75 inches (26.5 x 6 x 1.5 centimeters)