Toribash
Original Post
QAT:
What does it mean: Quaternion.
What does it do: It.gives you the rotation of an object.
How does it work: It consists of 4 variables that give you the rotation of an object. The math is very similar to the math of komplex numbers, but i don`t exactly know how it works.

Klein Bottles only have one surface so they are the easiest thing to clean