CES 2011: Gadgets at CES 2011
TVs, laptops, cameras and tablet PCs are common products at CES, but the majority of the show floor is strewn with pocket-sized gadgets.
What's in this guide
Casio Prism fx-CG20
The Casio Prizm fx-CG10, also known as the CG20 in the UK, is a colour graphing calculator unveiled at CES 2011 
