look up any word, like hipster:
 
1.
When put into a calculator and flipped upside down (kind of like 5318008), spells "hello"
Just your random useless fact of the day that you probably already know!
by Kenthar October 01, 2003
 
2.
Put it in a calculator and read it upside down

Mathematicians way of saying hello in math
Mathemtician1 : hi

Mathemtician2 : 07734
by mathlover October 18, 2012