Commercial Printing/Display Calculator features an easy-to-read 17mm fluorescent blue display. Prints 4.8 lines per second in two colors (positive numbers in black, negative numbers in red). Prints up to 12 numerals and two symbols per line and three-digit punctuation. Multiple use key simplifies business calculations to save time and increase efficiency by handling functions. Easy-touch keyboard offers contoured plus/equal and minus/equal keys, and multiplication, zero, and plus/equal keys are extra-large. AC operation.