- Soroban Calculator with 17 Columns Size: 34 x 9.4 cm - Features a 17-column design that enables calculations of equations up to 17 digits, making it more powerful than standard calculators that typically handle only up to 16 digits. - Ideal for complex calculations in fields such as engineering, finance, and education, the Soroban excels in providing precise results. - Start by positioning the abacus flat and ensuring all beads are at the bottom before calculating. The units are read from right to left, with each column representing a sequential value. - Made with durable materials to ensure longevity while maintaining a traditional method of calculation. - Perfect for students learning basic arithmetic, professionals performing advanced computations, or anyone in need of a reliable tool for quick number manipulation. - The unique structure enhances cognitive skills and promotes mental math, providing an educational advantage for users of all ages. - Compact and portable, making it easy to use at home, in the office, or on-the-go. - Experience efficient calculations and improved focus with this powerful traditional tool.