Heavy-duty, two-color printing/display calculator features a 17mm blue fluorescent display with 12 digits. Prints 4.8 lines per second. Functions include three-digit punctuation, clock, calendar function and time calculation, oversized add, subtract, multiply keys, grand total, four-key memory, built-in conversion and average functions, markup key, percent change, automatic add-on discount, floating/fixed decimal, add/constant mode, item count and round up/down selector. AC operation.