Specially designed abacus for visually impaired individuals. Features soft fabric/rubber backing to prevent inadvertent bead movement during calculations.
Marketing Office: New No. 25, Old No.9, Chari Street, North Usman Road, T.Nagar, Chennai - 600017, Tamilnadu, India.
alagappan_sk@yahoo.com, info@jvindians.com | 044-42071815 | (+91) 98410 23115 / 7299923115