OFFICE CALCULATOR DONAU TECH, 12 DIGITS. DISPLAY, DIM. 136X134X28 MM, BLACK

Office calculator with 12-digit display and battery / solar operationdimensions: 136 x 134 x 28 mmsquare root function and percentage calculation, MU margin calculation, tax calculation TAX = + TAX-, check and correct CHECK & CORRECT, double zero, memoryturns off automatically