This
Graph Paper Wall Clock gives you a pop quiz whenever you look at the time! With analytical mathematical equations at each number space, this math clock is a treat for the genius in your life! With geeky graph paper pattern and matte white powder coated metal, each math equation looks like it was written in pencil. Stylish and funny, this math clock makes a great gift for any braniac! Diameter 11.5".
Availability:This Graph Paper Math Wall Clock takes approximately 1 business day to leave the warehouse plus transit time.