RKR MI-786N Dual Power Electronic Check & Correct Calculator Large Display

Special buttons for grand total (GT), mark up (MU) and correct (I>) Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount. Larger display makes more data easier to read. Runs on solar and battery, 1 Year Battery Life. Key operations are stored in a buffer, so nothing is lost even during high-speed input.