This full-featured, 12-digit, two-color printing calculator helps you analyze your numbers more efficiently. Clock and calendar function enables you to view the time and date of calculations on your display or you can simply print them out. 2.3 lps. Large case and keyboard. Tax, cost-sell-margin keys, four key memory, non-add, item count grand total key, backspace key, 00 and 000 keys, percentage key, round up/off/down.