Durable, long lasting calculation tool The abacus is a classic calculating device based on a system used before the invention of written numbers. It remains in use worldwide by merchants, traders, and office staff as a reliable way to perform calculations. Math practice tool Using an abacus helps with counting, solving equations, and developing mental arithmetic. It provides a tangible, hands on way to practice math skills and reinforce concepts. Modern 13 digit professional model Made from high quality ABS plastic, this 13 digit professional abacus measures 24.9 x 7.3 cm. It is designed for daily use with robust construction suited to educational and professional settings. Essential for math instruction A valuable classroom aid for primary school students, supporting instruction in counting, place value, and basic arithmetic. It complements digital tools without relying on electricity or screens. Key specifications 13 digit capacity; material: ABS plastic; size: 24.9 x 7.3 cm; designed for durability and long term use. Use scenarios - At home or in tutoring sessions to practice basic counting, addition, subtraction, multiplication, and division with a tactile tool. - In the classroom for teacher led demonstrations of place value and arithmetic operations, supporting group activities and independent work. - In small shops or markets for quick, on the spot calculations, price checks, and change making without electronics.