& exp()
 
  Syntax: exp(<power>)
 
  Returns the result of raising the numeric constant e to <power>. 
  <power> may be a floating point number, and a floating point result 
  is returned.
 
  Example:
 
  > say exp(0)
  You say "1"
  > say exp(1)
  You say "2.718282"
  > say exp(2)
  You say "7.389056"
 
	See Also: e(), log(), ln(), power()