Victor V Large two-color backlit display shows 1 digits (1 mm height) and negative numbers in red. Well-spaced contoured keyboard with PC touch With 4. LPS -color printer prints 4.5 lines per second Features percent key, change sign (+/a€“) key, backspace key, double zero key, grand total key, cost/sell/margin calculation, item count function, percent add-on/discount, tax calculation, time/date function and 4-key independent memory.