OLYMPIA Business Calculator with Paper Roll, 2.5 inches LCD Display, Blue, Desktop Format, Battery Powered, Ideal for Office and Home UseCOMPREHENSIVE & PRACTICAL The professional desk calculator with paper roll is ideal for the office, shop and home thanks to its handy weight of 314 g and the wide range of functions! PRINTED IN SECONDS The calculator with paper roll has a standardized IR 40 ink roll in blue color & can effortlessly print 1. 6 lines per second including print selection button. IDEAL FOR BUSINESS Thanks to useful functions such as tax, percentage & profit margin