Black with white details, the 12″-diameter metal clock runs on one AA battery. Mathematicians and other numerical whizzes (engineers, accountants…anyone with a fancy calculator) will derive a virtual eternity of laughs from this clever home or office accessory. For example, pi (3.14159…) is just a few degrees past where a three would normally be. The numbers, though admittedly “irrational,” are logically arranged. On our charmingly quirky wall clock, irrational numbers–those that can’t be represented by simple fractions–replace the usual markings of a traditional clock face. Math clock math gift teacher Nasciane (50) 25.26 Tin can clock, Geek, Desk clock, Up-cycled, Unique gift, Gifts under 20, Gift teacher, Science, Physics, Engineer, Math Clock InCahootsCreations (18) 15.00 More colors MATH WALL Clock - Chalkboard Clock - Large 10. The next clock is an irrational numbers clock. Made of lightweight black metal with a matte finish Measures 11.5″ diameter Requires 1 AA Battery (not included) Easy-to-hang with “keyhole” opening on the back of the clock Work out the equations to determine the hour Fun and challenging Makes a great gift for your favorite Brainiac ! Get the conversation going the next time the MENSA meeting is at your place.
You can buy it from Amazon for $29.38 (as of this writing).
Here is a picture with the product description below. Each numerical hour is spelled with different mathematical notation, giving you a new mathematical boost with each time check. The first clock is called a Math Pop Quiz wall clock.
Not long ago, I posted a really cool shirt for math geeks that you could buy and now somebody has come up with some really cool wall clocks for math geeks.
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