Features Extra large 12 digit 17.0 mm blue fluorescent display with punctuation Heavy duty ribbon printer prints at approximately 4.8 lines second in two colors positive numbers in black, negative numbers in red on standard size paper rolls Grand total adds the grand total of several calculations such as the total prices times units on an invoice Mark Up key is used to perform mark ups, cost sell margin calculations, percent changes, and automatic add on discounts Average key is use to find the mean or average Calendar Clock Function displays and prints date and time. 4 Key memory includes memory plus, memory minus, recall and clear memory keys. Additional features include floating F or fixed decimal 6 3 2 1 0 , add A and constant K modes, item count, and round up down off selector, Prints on standard paper roll and operates on AC power.
