The calculator would be a great gadget for those that are half blind and can’t hardly see the in computer calculator. The calculator itself has an on/off switch and can be plugged in with a 5V power adapter, which is not included. They include 3 different ports for your USB gadgets. The mouse pad also gives a nice bright blue ambient glow for those of you that enjoy your shiny gadgets. You can purchase this for $17.99 from GizFever.
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