Ativa TrackBack 2-Line Calculator, Multicolor, DD-2361

2-line LCD display shows your entries on the top line (up to 11 digits), and the results on the bottom line (up to 12 digits) TrackBack functionality lets you verify & edit up to 79 entries as you calculate. Functions include Backspace & Forward, Percentages, and Double zero (00). Dual power - solar & battery.