12-digit printing calculator offers antimicrobial protection that reduces growth of microbes and bacteria that can cause discoloration and odors. Prints 3 lines per second in two colors. Generates large print on paper tape. Features a fluorescent display, large well-spaced contoured keys, built-in metal paper arm and PC touch keyboard. Functions include cost/sell/margin; tax +/- keys; delta percent of change key; four-key independent memory; change sign; percent; grand total; date/non-add; backspace and sigma keys; item count and automatic constants. Prints or displays time and date. AC powered. Calculator includes AC adapter.