 You know vector calculus but you can't remember how to do long
division.

 You've actually used every single function on your graphing
calculator.

 You'll assume that a "horse" is a "sphere" in
order to make the math easier.

 It is sunny and 72 degrees outside, and you are working on a
computer.

 When your professor asks you where your homework is, you claim to
have accidentally determined its momentum so precisely, that
according to Heisenberg it could be anywhere in the universe.

 You frequently whistle the theme song to ''MacGyver''.

 You always do homework on Friday nights.

 You know how to integrate a chicken and can take the derivative of
water.

 You think in "math".

 You have no life  and you can prove it mathematically.

 You've calculated that the World Series actually diverges.

 You hesitate to look at something because you don't want to break
down its wave function.

 You have a pet named after a scientist.

 You can't remember what's behind the door in the science building
which says "Exit".

 You have to bring a jacket with you, in the middle of summer,
because there's a windchill factor in the lab.

 You are completely addicted to caffeine.

 You avoid doing anything because you don't want to contribute to
the eventual heatdeath of the universe.

 You consider any nonscience course "easy".

 You laugh at jokes about mathematicians.

 The Humane Society has you arrested because you actually performed
the Schroedinger's Cat experiment. 
 You can translate English into Binary.

 You understood more than five of these indicators.

 You clip this column and post it on your door. 