## The Mathematician’s Clock

The clock below is called the Sheldon Cooper’s clock (I searched for it at Amazon, but the best that I could get is this math clock). If this clock exists, I really want to buy one.

I am also confused with *0b*. Is it a hexadecimal number or a Greek number? In hexadecimal, *B* stands for 11, and in the Greek system, according to one of the comments in the clock’s website, 0 which is actually stands from 2, and stands for 9, so . I am not sure how Greek numerations work, so I don’t really know which of the explanations above is correct.

What do you think?