Sharp EL-1901 Digital Printing Calculator, White

Ink and paper-free printing calculator Features a backlit primary LCD display and secondary 5-line digital display. Scroll through up to 300 entries on the secondary display. Check and Correct feature lets you make edits to previous calculations. Carries out 12 functions. Includes cost-sell-margin keys, 3-key independent memory, tax keys, grand total key, backspace key, change sign key, percent key and auto power off.