You might be an engineer if you fulfill any 5 of the criteria:

• You have no life - and you can PROVE it mathematically.
• You enjoy pain.
• You know vector calculus but you can't remember how to do long division.
• You chuckle whenever anyone says "centrifugal force."
• You've actually used every single function on your graphing calculator.
• When you look in a mirror, you see an engineering major.
• It is sunny and 70 degrees outside, and you are working on a computer.
• 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'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 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 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 wind-chill factor in the lab.
• You are completely addicted to caffeine.
• You avoid doing anything because you don't want to contribute to the eventual heat-death of the universe.
• You consider ANY non-science course "easy."
• 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.
• The "fun" center of your brain has deteriorated from lack of use.
• You'll assume that a "horse" is a "sphere" in order to make the math easier.
• You understood more than five of these indicators.
• You make a hard copy of this list, and post it on your door.
• You think it might be a neat idea to send this message to all of your friends in the form of e-mail.
• Choosing to buy flowers for your girlfriend or upgrading your RAM is a moral dilemma.
• You take a cruise so you can go on a personal tour of the engine room.
• In college you thought Spring Break was metal fatigue failure.
• The sales people at the local computer store can't answer any of your questions.
• At an air show you know how fast the skydivers are falling.
• You bought your wife a new CD-ROM drive for her birthday.
• You can quote scenes from any Monty Python movie.
• You can type 70 words per minute but can't read your own handwriting.
• You comment to your spouse that his/her straight hair is nice and parallel.
• You sit backwards on the Disneyland rides to see how they do the special effects.
• You have saved every power cord from all your broken appliances.
• You have more friends on the Internet than in real life.
• You know what "http://" stands for.
• You look forward to Christmas so you can put the kids' toys together.
• You see a good design and still have to change it.
• You spent more on your calculator than you did on your wedding ring.
• You still own a slide rule and know how to use it.
• You think that people yawning around you are sleep deprived.
• You window shop at Radio Shack.
• Your laptop computer costs more than your car.
• Your spouse hasn't the foggiest idea of what you do at work.
• You've already calculated how much you make per second.
• You've tried to repair a $5 radio.