Odd Case

Want a case for your iPhone that is the epitome of odd? Now you can print your own case that is the true definition of odd! (At least in the mathematical sense)

In the field of mathematics an odd integer is defined as being equal to 2k+1; k∈ℤ. In words that the rest of us can understand, an integer is odd if it is equal to some integer multiplied by 2 and had an 1 added to it. The "k∈ℤ" part means that "k" is an element(∈) of the set of all integers(ℤ). The formula on this printed