Victor 12-digit commercial printing calculator with an extra large LCD display which shows individual entries & running subtotals. Contemporary silver & black styling. Engineered with an antimicrobial agent that reduces the growth of microbes & bacteria on the product that can cause discoloration & odors. Manufactured with recycled plastic. The 1212-3A features ink-roller printing, constants in multiplication & division, percentage add-on & discount. Change sign key, large add & subtract keys. Nonprint or print mode. Item count. Full decimal settings. Non-add / date key. Markup & selectable rounding. Four-key independent memory. Operates on four AA batteries (not included) or on the included AC adapter. Power Source(s): AC; Battery; Display Notation: Numeric; Number of Display Digits: 12; Memory: 4-Key.