Which is better and nicer?

drjackool

Distinguished
Dec 5, 2013
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Hi
I want to buy a calculator for my shop.
I can not decide between models of CASIO calculators:
1) DS-1TS (ended & expensive than others)
2) DS-1B (newer than #1)
3) DC-12M

Model #1 & #2 have Heavy-Duty keys. I like it.

I amazed why model #1 is expensive than #2?
Which has nicer face? I think #1 is better even it is ended!

Thanks
 

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