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For Fans & Friends of Public Television -Since 1986, a percentage of every purchase supports public television program development at WGBH Educational Foundation.

Irrational Numbers Wall Clock


In math, irrational numbers are those that can't be represented by simple fractions. Two examples are pi and the square root of 2. Designed by a mathematician, for mathematicians (and others in the know, like engineers...more.

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Item# HH6134

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PRODUCT DESCRIPTION FOR Irrational Numbers Wall Clock

EXCLUSIVE! In math, irrational numbers are those that can't be represented by simple fractions. Two examples are pi and the square root of 2. Designed by a mathematician, for mathematicians (and others in the know, like engineers and scientists), this clock tells time in irrational numbers logically placed on a 360-degree circle. For example, pi (3.14159...) is just a few degrees past where the 3 would be on a regular clock face. Black with white markings and hands, metal clock runs on 1 AA battery. 12" diameter.

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REVIEW SNAPSHOT®

by PowerReviews
SignalsIrrational Numbers Wall Clock
 
3.7

(based on 7 reviews)

Ratings Distribution

  • 5 Stars

     

    (4)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

67%

of respondents would recommend this to a friend.

Pros

  • Attractive (5)
  • Clear display (4)
  • Keeps good time (3)
  • Reliable (3)

Cons

    Best Uses

    • Gifts (5)
    • Bedroom (3)
    • Decoration (3)
      • Reviewer Profile:
      • Midrange shopper (5)
      • Primary use:
      • Personal (7)

    Reviewed by 7 customers

    Sort by

    Displaying reviews 1-7

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    5.0

    The perfect Mathematician's gift.

    By mermer

    from MO.

    About Me Budget Shopper

    Verified Buyer

    Pros

    • Attractive Design
    • Clear Display
    • Keeps Good Time
    • Reliable

    Cons

      Best Uses

      • Bedroom
      • Decoration
      • Desk
      • Gifts
      • Kitchen

      Comments about Signals Irrational Numbers Wall Clock:

      Our grandson is a mathematician, this was the perfect gift for a geek. He loves it!!!!! He got a really great laugh out of it!

      • Primary use:
      • Personal
       
      1.0

      PAINT JOB WAS BAD- I AM RETURNING IT

      By GIBBY

      from MARYLAND

      About Me Midrange Shopper

      Verified Buyer

      Pros

      • Paint Job Was Bad

      Cons

      • Paint Job Was Bad-iam Ret

      Best Uses

        Comments about Signals Irrational Numbers Wall Clock:

        PAINT JOB WAS BAD - I AM RETURNING IT

        • Primary use:
        • Personal
         
        1.0

        Very poor quality.

        By KK

        from Menifee, CA

        About Me Midrange Shopper

        Pros

          Cons

          • Unreliable

          Best Uses

            Comments about Signals Irrational Numbers Wall Clock:

            This clock is poorly made and not with the money. The face looks like it can peel off over time. When I received mine the face was warped, the hands were bent and touching the face so it would not work. I hade to bend the hands to make it work. Batteries in clocks like this last for many months, sometime over a year. This clock stopped after a little over one-month.

            • Primary use:
            • Personal
             
            5.0

            MAKE PEOPLE TALK

            By DOG LOVER

            from TEXAS

            About Me Midrange Shopper

            Pros

            • Attractive Design
            • Clear Display
            • Keeps Good Time
            • Reliable

            Cons

              Best Uses

              • Decoration
              • Gifts

              Comments about Signals Irrational Numbers Wall Clock:

              USED IN THE OFFICE. BECAME A TOPIC OF CONVERSATION IMMEDIATELY.

              • Primary use:
              • Personal
               
              5.0

              This was a great hit~

              By Moriteflyer

              from St. Louis County MO

              About Me Midrange Shopper

              Verified Reviewer

              Pros

              • Attractive Design

              Cons

                Best Uses

                • Bedroom
                • Gifts
                • Office

                Comments about Signals Irrational Numbers Wall Clock:

                I bought this as a gift for my nephew who recently graduated from Purdue University with a degree in Civil Engineering. From the box he was disappointed thinking it was a clock that couldn't tell the right time, when he saw it he was thrilled. He also was good at explaining it to anyone else who would listen. It's a good conversation piece.

                • Primary use:
                • Personal
                 
                4.0

                Irrational Numbers Wall Clock

                By julia123gr

                from Watertown MA

                About Me Budget Shopper

                Verified Reviewer

                Pros

                • Attractive Design
                • Clear Display
                • Keeps Good Time
                • Reliable

                Cons

                  Best Uses

                  • Bedroom
                  • Decoration
                  • Gifts

                  Comments about Signals Irrational Numbers Wall Clock:

                  I got this clock for Christmas for my Cornell University, A+ in Calculus boyfriend. He put it in his workroom --

                  • Primary use:
                  • Personal

                  (2 of 2 customers found this review helpful)

                   
                  5.0

                  My Son Loved it!

                  By Longhorn Mom

                  from Crowley, TX

                  About Me Midrange Shopper

                  Pros

                  • Attractive Design
                  • Clear Display
                  • Geeky

                  Cons

                    Best Uses

                    • Desk
                    • Gifts

                    Comments about Signals Irrational Numbers Wall Clock:

                    My engineer son loved this clock. He had been wanting it for his office and dropped hints for 2 years. Finally got it and he was excited. Fit his geeky engineer personality perfectly!

                    • Primary use:
                    • Personal

                    Displaying reviews 1-7

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