EXCLUSIVE! 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. So become an instant genius in advanced mathematics! Our clock marks each hour using the value of an expression from algebra, trigonometry, number theory or calculus. A fantastic gift for self-proclaimed geeks and math whizzes. Brushed aluminum frame with glass face and a green background reminiscent of the chalkboards of yore. Requires 1 AA battery (not included). 11 3/4"Dia x 1 1/2"D.
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