Specification replaces the aurora pr150 pb654 amp pr640 printing calculators mains powered multi function printer medium duty mains 2 colour print speed of 26lps high quality epson print head cost sell margin feature calculates any variation currency conversion for use with any currency one touch tax feature ideal for adding amp subtracting vat 9 metric conversions display or print date or time 1224hr clock format option ukus date format option large 12 digit lcd display 2 c