If you bought the Sheldon Cooper’s clock, you might also enjoy the clock below. I am not really sure, though, if it’s real, but it is another good idea to construct a clock.
One more thing, I haven’t verified it yet, but I have a feeling that
is pretty big for 5 (o’clock). For liberal arts majors, is the product of all the positive integers from 9 all the way down to 1. And yes, the with a bar in 7 o’clock is equal which equals 1. The three dots indicate that the number of 9′s to the right of the decimal point is infinitely many (it goes on to the right forever).