Add RecipientQuick! 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.
Brushed aluminum frame with glass face and a green background reminiscent of the chalkboards of yore.
11-3/4" Dia. x 1-1/2"D
Requires 1 AA battery (not included).
Mathematical Expressions Match Clock
Customer Ratings & Reviews
Mathematical Expressions Clock 52 53
Great I had seen the clock in Skymall on a recent trip. My grandson is going to be an engineer and some what of a math wizard. The clock for his high school graduation had the desired effect. May 19, 2013
one of a kind As a math department chair I really enjoy this clock. It starts many discussions which I find stimulating . The clock it self is of a good quality and keeps accurate time. May 16, 2013
There's a mistake I bought the Math Clock and I love it, but there's a mistake! It's a typographical error in the expression for the number 4. It says log base 2 to the 16th power, whereas it should say log base 2 of 16. IOW, the number 16 is written as a superscript whereas it should be an ordinary number, larger and not raised. I read all the reviews and was surprised that no one mentioned this. I plan to contact the manufacturer and see if I can get them to correct it. May 12, 2013
Clever gift My son, the math PhD, put this in his office and enjoys challenging his students. May 8, 2013