Twelve-digit professional large desktop calculator with kickstand. Functions include: cost-sell-margin keys grand total key double zero key backspace key automatic tax keys percent key four- key independent memory and sign change. Operates on twin power. Power Source(s): Battery; Solar; Display Notation: Basic; Number of Display Digits: 12; Display Characters x Display Lines: 12 x 1. This is a bundle order of 2 Each 1 per Each