 | 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). Desktop, Business and Scientific, Battery/ Solar Powered, Large Display, Regular Key Size, 12 Digit Display Number of Reviews: 4 | Ratings:  | Best deal: $47
$47 - $62 from 6 stores. |