Binary Clock Review

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(More customer reviews)I got this as a gift for my little sister. It's very basic and does what it needs to do: tell time. I like that. The lights are very bright though, blindingly so, particularly at night, and if there were anything I'd change about it, it would be to add a dimming function. My sister has to turn it around when she needs to go to sleep. Otherwise, great product, and I want another one for myself!

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Keep them guessing the time with this clever silver-tone clock that displays time in binary -- the ones and zeros of computer language. Count the lit values to determine time; 10:48:36 shown. Approx. 3 1/2in. square; includes 120V AC power adapter.

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Math Quiz Wall Clock Review

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(More customer reviews)A great gift for a math teacher. Quality product. Only complaint was that I recieved this in a broken box. It was less expensive but I wish the open box had been disclosed to me clearly because I gave it as a gift. Still love the clock.

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Unusual clock tests your math knowledge. Each hour is marked with a mathematical problem to solve. Metal wall clock with second sweep hand requires 1 AA battery, not included. 11.5 inch diameter.

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Math Pop Quiz Clock Novelty Mathematical Equation Review

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(More customer reviews)This was a gift for an 11th grade math teacher and she loved it! She is even including the problems on her weekly quizzes. FUN!!

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Pop Quiz, hotshot. Think back to a time when you were a young geek. Sure, you were brilliant at math, but being asked to solve problems on the chalkboard... That's the stuff of nightmares. Thankfully, that time is over... Or is it? The smell of chalk, and the feel of the blackboard is still fresh in your mind. If you close your eyes, you can almost feel the eyes staring at your back as you labor to engage your brain and simplify the polynomial.Can you feel your heart beat faster? Are your hands sweaty? Relax! This is just a clock! This lovely new timepiece appears to have been hand-written by that evil math teacher we all had to endure. Each hour is marked by a simple math problem. Solve it and solve the riddle of time. Or, you can just know that "52 - x2 + x = 10" happens to live in the "7 o'clock" position* and be done with it.* - Yes, we know that 52 - x2 + x = 10 allows for 7 and -6 as a possible answer, but since there is no such thing as -6 o'clock, the correct answer becomes glaringly obvious.

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