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User Guide:
QS-2130 User Guide

The QS-2130 is a versatile, twin-powered display-only calculator with an extra large 12 digit LCD display and Adding Machine Logic.

Twin-Powered solar-powered with battery backup prevents memory loss. Twin-power source: built-in solar cell (more than approx. 50 lux) or lithium cell (less than approx. 50 lux).

Easy-to-Read Display 12-digit liquid crystal display with automatic 3-digit punctuation.

Convenient MU Key. A MU (Multiple Use) key simplifies business calculations to save time and increase efficiency by handling functions like margin, markup, selling prices, costs, percent changes.

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 and Sigma mode selectors, adjustable stand and carrying case.

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