Cartesian Coordinates Phone Cases - iPhone and Android

Description: No matter who you are or where are you, we can always assign to you coordinates in space and in time.

Description: Unleash your inner geek with funny math tshirts peppered with punny graphics that are nothing but pure joy. Case in point: This 'I See You Have Graph Paper' shirt that lets you wear your nerdiness proudly on your sleeve thanks to punny message 'I See You Have Graph Paper. You Must Be Plotting Something'.