One attractive young businesswoman to another, over lunch:
 
     "My life is all math.  I am trying to add to my 
     income, subtract from my weight, divide my time,
     and avoid multiplying."
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There were those two Poles that went fishing.  They found a lot of fish
and filled the boat.  One of them told the other to mark this area for
later time.  He cut his initials in the boat.  Then they land the boat. 
Suddenly one of them says:  "Ooh, are we stupid.  Think what happens if
we don't get the same boat!"
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  There is a story about the first Polish astronauts in space.  One of them
went out for a space walk and came back and knocked on the spaceship
door.  The other astronaut said "Who is it?"