Sharp 12-Digit Financial Printing Calculator with Large Fluorescent DisplaySharp 12 digit financial printing calculator with large fluorescent display, 3. 7 LPS ribbon printer, cost sell margin key, and clock calendar functions. Highlights: Bright, easy to read large fluorescent display Fast and reliable 3. 7 lines per second ribbon printer Mark Up key for quick cost sell margin and profit calculations Built in clock and calendar functions for convenience 4 key memory for repeated calculations Non Add Subtotal key and item