calculator diamond calculator Office products stationery products calculatordiamond calculatorOffice productsstationery products1. 10-Digit calculator2. Elegant acrylic key and ABS housing.3. Digital display (V.A. 74.5 x 24mm).4. power operationLR1130 x 2 (battery included)5. One touch easy operation6. Auto shut off if no any key to be pressed in 9.5minutes7. Basic calculator function8. ...