Extensive printing functions: Important features of this printing calculator are serial printing, 2 colour printing, printing speed 2.0 lines/sec, night printing and repeat printing. Numerous rake functions: Tax calculation, professional percentage calculation, Delta %, Check & Correct, Cost/Sell/Margin, post alarm, quick correction button, rounding setting, average calculation, make this item a re companion for professional use. Convenient memory: With the total sum memory (GT) and the 4-button memory complex computing operations can be carried out conveniently. Large display: Thanks to a 12-digit LC display with backlight and the practical thousands of divisions, the calculation results of the Casio FR 2650RC are perfectly readable. Powered by: Mains powered with power supply, memory protection battery and automatic switch-off.