Sister number two thought she was really clever when she first discovered vectors. “Everything is vectors” she said. And she would find ways to express everything in vector terminology. At least that’s how I remember that annoying phase of her life.
Here is a website that goes one better. Envisaging life and philosophical concepts in the form of mathematical equations.
So in this case the equation would be:
morenewmaths = sister number 2 + vectors + 1.