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Math Wall Clock - Unique Wall Clock - Each Hour Marked by a Simple Math Equation

4.7 4.7 out of 5 stars 2,238 ratings
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Amazon's Choice in Wall Clocks by Decodyne

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About this item

  • A UNIQUE WAY TO TRACK THE HOURS Instead of Roman numerals or traditional numbers, this clock has a different equation at each demarcation
  • PERFECTLY SIZED Clock measures 11-1/2 inches in diameter and is easy to spot from afar
  • GO WITH EVERYTHING DESIGN Black and white color scheme makes the clock look like a chalkboard and will complement any color palette
  • GREAT GIFT IDEA Give one of these wall clocks to a math teacher, engineer, mathematician or anyone who just loves numbers
  • NO CORDS OR WIRES Clock runs on one AA battery (not included)

Additional Details

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Customer ratings by feature

Easy to read
4.8 4.8
Giftable
4.7 4.7
Accuracy
4.6 4.6
Value for money
4.2 4.2

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This product has fewer returns than average compared to similar products.

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Get it as soon as Tuesday, Mar 19
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Decodyne Math Wall Clock - Unique Wall Clock - Each Hour Marked by a Simple Math Equation
Decodyne Math Wall Clock - Unique Wall Clock - Each Hour Marked by a Simple Math Equation
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Price-33% $19.95
List:$29.95
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Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Get it as soon as Tuesday, Mar 19
Customer Ratings
Easy to read
4.8
4.4
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4.6
4.1
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5.0
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4.7
4.3
4.3
4.5
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4.2
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4.0
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found in image Analog
found in image Analog
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found in image Analog
style
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watch movement type
Mechanical
Quartz
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Product Description

DECODYNE MATH WALL CLOCK

A CLOCK WITH A TWIST!

The Decodyne Math Clock is a traditional wall clock with three-hand motion but with one important twist--its hours are marked by simple math equations. To tell the time, you solve for the answer! Black and white in color, the wall clock goes with all types of decor and looks as if it the numbers were written on a chalkboard. The clock measures 11-1/2 inches in diameter, so you can read it easily, even from across the room. Powered by a single AA battery, the Decodyne Math Clock does not need to be plugged into a wall for operation. As a result, you can hang it anywhere you wish.

A UNIQUE GIFT!

A unique gift idea, the Decodyne Math Clock makes a fun present for a math teacher to hang in his or her classroom. It's also the perfect office clock for an engineer, an accountant, a mathematician or anyone else who works with numbers. For home use, the clock will bring a geek chic finishing touch to any room.

PRODUCT FEATURES

A UNIQUE WAY TO TRACK THE HOURS
Instead of Roman numerals or traditional numbers, this wall clock has a different equation at each demarcation.

PERFECTLY SIZED
Clock measures 11-1/2 inches in diameter and is easy to spot from afar.

NO CORDS OR WIRES
Clock runs on one AA battery (not included)

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Decodyne Math Wall Clock - Unique Wall Clock - Each Hour Marked by a Simple Math Equation


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Customer reviews

4.7 out of 5 stars
4.7 out of 5
2,238 global ratings

Customers say

Customers like the appearance, accuracy, and gift-giving of the clock. They mention that it's super cool looking, unique, and keeps very accurate time. They also like the classroom, and fun. However, some customers are mixed on quality, performance, and value.

AI-generated from the text of customer reviews

83 customers mention83 positive0 negative

Customers are satisfied with the appearance of the clock. They appreciate the offbeat nature of the face, the bright lettering, and the ease of reading.

"...He LOVES IT! It’s cute and does it’s job." Read more

"...And, the recipient really enjoys using this merchandise. It's unique and very much the conversation piece...." Read more

"This clock looks great in my math class and my students have commented on it often. The clock is really very simple, and plain...." Read more

"Looks nice on my wall,works well," Read more

47 customers mention33 positive14 negative

Customers like the accuracy of the math clock. For example, they mention it keeps time really well, is easy to insert battery and hang, and is a good time keeper. Some say that the equations are valid and fun to decipher, and the second hand is quite.

"...But it is simple and keeps good time. Make sure that you have something prepared to mount it and you'll be good to go...." Read more

"Package was damaged but the clock was fine. Interesting clock for my grandson who is becoming an engineer. Quality was worth the price." Read more

"...It only works sporadically and doesn't keep time at the correct pace. It's a shame...." Read more

"It's a clock, and it's very good at being a clock. As a math person, I really like this one, and other math people likely would...." Read more

37 customers mention37 positive0 negative

Customers like the gift, saying it's a great teacher gift, a wonderful retirement gift, and perfect for the classroom. Some say it'll be a teachable moment every time a student looks at the clock.

"...😁😆😅😅😆😁A great gift for a math teacher...." Read more

"...pretty lightweight but considering it’s such a fun concept it makes for a great gift, regardless." Read more

"I love the clock. I purchased one years ago. It’s a teachable moment every time a student looks at the clock." Read more

"What a great gift for teens who love these formulas!" Read more

25 customers mention25 positive0 negative

Customers like the classroom. They say it's great for math teachers, a great gift for a mathematical nerd, and good learning for kids. It's a good conversation piece and a quiz for the kids. They range from elementary to algebra, and some love seeing it on their bathroom wall.

"Perfect for my grandson. He is very smart and inquisitive about just about everything. He has a great future. He loves this clock...." Read more

"...We sit and break down the equation so this is good learning for kids which mine are breaking into this in school, on top its equals great family..." Read more

"I love this clock! It's a great conversation starter and quiz for the kids :)." Read more

"...They loved it. It’s easy to read and accurate, great gift for anyone who enjoys math." Read more

25 customers mention25 positive0 negative

Customers find the fun of the clock to be great. They mention that it's a great gift for math enthusiasts and that it sparks their interest. The fun is on the face, making it not boring. Customers also say that it is a unique and interesting product that sparks students' interest. Overall, customers are happy with the fun they have with the product.

"...which mine are breaking into this in school, on top its equals great family time!!" Read more

"Very fun clock. I just had to adjust the hands a little bit, so they wouldn’t stick together." Read more

"smooth operation, interesting" Read more

"Great Wall clock for math enthusiasts. I have gotten a lot of compliments on it ...." Read more

74 customers mention46 positive28 negative

Customers are mixed about the quality of the clock. Some mention it's quite a good quality clock, well packaged and constructed. However, others say that it' s not made out of high quality material, looks rather fragile, and is made of cheap plastic.

"...It's unique and very much the conversation piece. Therefore, I highly recommend this item and seller." Read more

"Package was damaged but the clock was fine. Interesting clock for my grandson who is becoming an engineer. Quality was worth the price." Read more

"...This is awesome. Solid quality doesn’t fell flimsy. Very bright lettering or I should say notation and easily readable." Read more

"I absolutely love this clock!!!! It is a fabulous conversation piece...." Read more

46 customers mention23 positive23 negative

Customers are mixed about the performance of the clock. Some mention that it looks nice on their wall, works well, and is awesome and unique, while others say that it stopped working after a year, is Totally useless, and was a waste of money.

"...He LOVES IT! It’s cute and does it’s job." Read more

"...Within a few months, it stopped working. It only works sporadically and doesn't keep time at the correct pace. It's a shame...." Read more

"Looks nice on my wall,works well," Read more

"As much as I enjoyed the idea of this clock, the one I received did not work. I could hear the tick, but the clock hands would not move...." Read more

19 customers mention12 positive7 negative

Customers are mixed about the value of the clock. Some mention that it's flimsier than they had hoped, but the quality was worth the price. Others say that it looks cheap when they hold it, but it looks good on the wall.

"...Quality was worth the price." Read more

"Very thin and lightweight. Seems cheap when you hold it, but looks good on the wall." Read more

"Good for the price. Great conversation starter" Read more

"...Definitely a great purchase at a great price." Read more

Didn't expect this to be so much fun :D
5 Stars
Didn't expect this to be so much fun :D
Gifted this to my brother, who's an engineer, for Christmas. Soon as he opened it, we all spontaneously started solving the problems (even though the answers are obvious!) Not so much advanced engineering, these were more like trying to remember high school math. Everyone enjoyed!The clock is pretty average size (just under 12" in diameter, I believe) and looks great on the wall. Still easy to read despite being unconventional. Keeping this in mind for future gifts (and maybe for myself :D)
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Top reviews from other countries

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Autumn Rae
5.0 out of 5 stars High quality!
Reviewed in Canada on January 24, 2022
Marica
5.0 out of 5 stars Perfetto
Reviewed in Italy on November 1, 2022
Kathryn
5.0 out of 5 stars Great clock
Reviewed in the United Kingdom on January 8, 2021
One person found this helpful
Report
Mirco Wagner
5.0 out of 5 stars Gute Qualität
Reviewed in Germany on June 5, 2019
maria carmela
5.0 out of 5 stars Piacevolmente sorpresa
Reviewed in Italy on July 7, 2022