The statement n^2 + 9 + 9 is known as "cDonald's Theorem" and when plotted on a graph models a uniformly curved line that somehow joins up with itself.

This is a figure which science has yet to come up with a name for. Can you think of one? If you can, the Royal Mathematics Society would like to hear from you!

This is a figure which science has yet to come up with a name for. Can you think of one? If you can, the Royal Mathematics Society would like to hear from you!

by cDonald May 30, 2007

buy the domain for your travel vlog