Perfect for desktop use either at home or in the office. Features an extra large LCD angled display. There are many functions included such as PC touch keys, mark up key, square root key, etc. • Extra large 12-digit angled LCD display. • Mark Up Key. • Selectable decimal and rounding switches. • PC Touch Keys. The Victor® 2140 12-digit calculator is perfect for desktop use either at home or in the office. Features an extra large LCD angled display. Other functions include: PC touch keys, selectable decimal switch, rounding slide switch, mark up key, square root key, grand total key, percent key, 4-key independent memory, change sign key, backspace key, automatic power down, and hybrid power (solar/battery backup). Power Source(s): Battery; Solar; Display Notation: Punctuated; Number of Display Digits: 12; Display Characters x Display Lines: 12 x 1.