Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
This is one of the most amazing devices that DX sells. Basically it is a light powdered calculator which should in theory last forever. As soon as this device revives enough light so you can see it, you can use. Really what will they think up next.
Tried to find a place to install the batteries but then I remembered I didn't need any. No other cons it works well.
Good rugged construction and a nice abacus for the price very handy and should work for years.
I even take it camping so that if I need to figure something out and don't have an pencil this comes in handy and also it just looks cool.
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