A mathematician and his best friend, an engineer, attend a public lecture on geometry in thirteen-dimensional space.
"How did you like it?" the mathematician wants to know after the talk.
"My head's spinning," the engineer confesses.
"How can you develop any intuition for thirteen-dimensional space?"
"Well, it's not even difficult.
All I do is visualize the situation in n-dimensional space and then set n = 13." 
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"Students nowadays are so clueless", the math professor complains to a colleague.
"Yesterday, a student came to my office hours and wanted to know if General Calculus was a Roman war hero..."
If you had a million dollars and gave away one quarter, and another quarter, and then another quarter, how much would you have left?
A million dollars minus 75 cents.
Q:Why do they never serve beer at a math party?
A:Because you can't drink and derive...
E=mc squared.
E multiplied by mc squared=Chuck Norris Roundhouse Kick.
Vote:
A man started to town with a fox, a goose, and a sack of corn.
He came to a stream which he had to cross in a tiny boat.
He could only take one across at a time.
He could not leave the fox alone with the goose or the goose alone with the corn.
How did he get them all safely over the stream?
He took the goose over first and came back.
Then he took the fox across and brought the goose back.
Next he took the corn over.
He came back alone and took the goose.
Once you go asian you never miss an equation.
Why are rabbits like calculators?
They both multiply a lot.
What did the 0 say to the 8?
Nice belt!
Three professors (a physicist, a chemist, and a statistician) are called in to see their dean.
Just as they arrive the dean is called out of his office, leaving the three professors there.
The professors see with alarm that there is a fire in the wastebasket.
The physicist says, "I know what to do! We must cool down the materials until their temperature is lower than the ignition temperature and then the fire will go out."
The chemist says, "No! No! I know what to do! We must cut off the supply of oxygen so that the fire will go out due to lack of one of the reactants."
While the physicist and chemist debate what course to take, they both are alarmed to see the statistician running around the room starting other fires.
They both scream, "What are you doing?"
To which the statistician replies, "Trying to get an adequate sample size."