Exclamation mark rule

The unspoken rule that when using exclamation marks, you must always use either one or three exclamation marks in a row. Two or four are not allowed, because they look wrong.

Girlfriend (texting): the new twilight movie is out!! lets go!!!!
Boyfriend: no. you just broke the exclamation mark rule

42👍 16👎

Mark's Rule

the combination of Elimination Method and Cramer's Rule

I will use Mark's rule on my math exam.