This 12-digit desktop printing calculator with large, fluorescent, fully punctuated display. Fast 2.7 lines per second two-color printer. Modern case design with built-in metal paper arm. Cost-sell-margin keys allow you to quickly and easily solve Csm problems by entering two variables and the third appears and prints. Displays and prints current time/date. Features grand total key, tax +/- keys, percent key, change sign (+/-) key, date/non-add key, backspace key, item count and automatic constants.