Math Wall Clock, Each Hour Marked by a Simple Math EquationUnconventional Timekeeping: Break away from tradition! This clock offers a unique way to track hours, replacing Roman numerals or regular numbers with different equations at each demarcation. Perfect Size for Visibility: With an 11 1 2 inch diameter, this clock is perfectly sized, making it easy to spot from a distance. Its distinctive design ensures it stands out. Versatile Design: The black and white color scheme gives the clock a chalkboard like