Automatic tax computation will automatically add the appropriate sales tax. Barcode scanner is an optical device that reads barcodes and pulls up prices on a cash register or computer. Battery backup protects your sales information and reports in case of power failure. Cash drawer alarm sounds a warning when the cash in a drawer reaches a specified safe limit. Clerk identification keeps records of transactions by clerks allowing you to identify individual sales totals.
Currency converter figures the sale and return based on foreign currency.
Direct keys are those keys on a computer or cash register used to input a single stock item. ECR is an electronic cash register. This printer can print out orders for the cooks to prepare. Price look-ups are numeric identifiers of sale items. Percent discount keys make it possible to ring up a sale discount on a single item or the whole tab.