Sharp QS-2130 12-Digit Dual-Power Desktop Calculator

The Sharp QS-2130 is a versatile, dual-powered calculator that handles functions like margin, markup, selling prices, costs and percent changes. It features an extra-large, 12-digit LCD display, and Adding Machine logic. Solar-powered with lithium-cell battery backup. Helps prevent memory loss. Large, 12-digit liquid crystal display with automatic 3-digit punctuation. Convenient Multiple-Use key simplifies business calculations to save time. Additional Features: independently accessible 4-key memory plus second 2-key memory function, round up/off/down, add mode, fixed (3,2,0)/ floating decimal, Constant/Sigma mode selectors, adjustable stand and carrying case.