From the very first tap on the soft-touch keys, you instantly feel the ergonomic design that is built into the CP1213DIII Commercial Desktop Printing Calculator. Versatile features perform almost any type of business or financial calculation. 12-digit printing calculator also includes a 17mm fluorescent display & two-color ribbon printing. Print 4.8 lines per second. Positive numbers are printed in black, & negative numbers are printed in red. Functions include memory storage, independent memory with accumulation function, constant multiplication & division, averaging & pairing calculation, delta percentage calculation, up / off / down rounding, item count, markup, & markdown. Decimal positions are in add mode, 0, 2, 3, 4, 6, +1, +2 & floating. Calculator runs on AC power.