Quick! What time is it? You'll have to take our word for it that each complex expression results in the number where it's placed on the face. Or so we're told... Great for classrooms, game rooms, or anywhere smart people congregate. Aluminum frame with glass face and a green background reminiscent of the chalkboards of yore. 12" Dia. Requires 1 AA battery (not included). More at SkyMall.
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