17Digit Professional Soroban Style Abacus – Practical and Educational Key Features: 17digit soroban design for accurate, efficient calculation Durable plastic frame built for frequent use Lightweight and compact for easy handling and storage Dimensions: 10.5 in x 2.5 in x 0.75 in (26.7 cm x 6.5 cm x 1.5 cm) Suitable for both learning and professional applications Instructions not included Product Overview: This professionalgrade soroban style abacus offers a reliable, handson way to perform calculations. Originally developed between 1000 BC and 500 BC in China, the abacus predates the written HinduArabic numeral system and has stood the test of time as a trusted calculation tool. Its design enables clear visual representation of numbers, making it valuable for both education and everyday use. Applications: 1. Teaching – Ideal for introducing children to counting, basic arithmetic, and number visualization, helping build fundamental math skills in a tactile, engaging way. 2. Professional Use – Suitable for merchants, clerks, and anyone requiring quick mental calculation without reliance on electronic devices. 3. Learning Aid – Used in training programs to develop speed and accuracy in mental math, beneficial for students and competitive abacus practitioners. Performance and Benefits: With its precision 17digit capacity, this soroban abacus supports a wide range of calculations from basic addition and subtraction to more complex operations. The smoothsliding beads ensure efficient and consistent movement, while the sturdy plastic frame guarantees durability for extended use. Its compact size allows for portability, making it easy to carry between classrooms, offices, or for study sessions. Material and Build Quality: Crafted from robust plastic, this abacus resists wear while remaining lightweight. The bead configuration follows the traditional soroban layout, ensuring compatibility with standard teaching methods and calculation techniques. This standard set is ideal for anyone seeking a practical calculation tool that doubles as a powerful educational resource for developing mathematical skills.