Scientific Calculator,Scientific Calculator China Wholesale, custom-made Scientific Calculator, China Scientific Calculator Wholesale

Description

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).

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